The incredible final battle explodes at Azuchi Castle! With amazing power and determination, Date and Sanada unleash against the mighty Demon Lord.

Taking place moments after the last episode of season 1, the other surviving warlords return to fighting against each other, with Masamune, Shingen and Kenshin's forces are engaged in a three way battle at Kawanakajima, including Date Masamune and Sanada Yukimura locked in battle. However they find themselves surrounded by the soldiers of Toyotomi Hideyoshi who seeks to unite Japan and help it grow into a strong country. Masamune, Shingen and Kenshin's forces manage to escape. Maeda Kanji who has been aware of Toyotomi's apperance arrived too late. Keiji then visits Maeda Toshiie and Matsu, aware of their alliance with Toyotomi Hideyoshi and asked why, which he replied that he agreed with Hideyoshi that the country is being weakened due to Oda Nobunaga's activities, but also agrees that he would be like him if he lost Matsu just as Hideyoshi's lost his beloved. Maeda also request Keiji to join them due to his history with Hideyoshi being his friend, but refuses and left. Souske reports to Shingen of Utsunomiya and Odawara have fallen by Toyotomi and placing his spies in their ranks and others and Mori's alliance with Toyotomi, having Shingen to have Sanada go to the west to Satsuma and protect Kyushu alonside forces there. In Oshu after news of Toyotomi's activities and suspecting a spy in Date's forces, Kojuro is confronted by Toyotomi's general, Takenaka Hanbei, and was offered to make him one of Toyotomi's men while Hanbei's spies and men took two people hostage.

When Hanbei offered Kojuro the offer to become Toyotomi's men he refused and starts attacking while defending the hostages, however he was beaten and knocked unconscious. The next morning Date's men report on an assault from Nambu, Tsugara, and Soma, but also revealed Kojuro's captured and leaving behind his sword, shocked Date while holding it. Keiji visits Uesugi Kenshin and discuss about Toyotomi and Mori's decision to ally with him, as well as concerning about Motochika, but Keiji was surprised by Kasuga about Maeda's army approaching Echigo to fight against Kenshin and his army. In Oshu, Date manages to defeat most of the soldiers and confronts Hanbei. As both sides fight, Hanbei successfully hits Date with his sword but retreats when more of his men arrived, leaving Date at a disadvantage. Hanbei returns to Osaka castle and meets with Hideyoshi to discuss with the plan and departs to Aki to complete the alliance with Mori.

As Sanada's men set up camp, Sanada himself went to Azuchi Castle and entered, there he was shock to find Matsunaga Hisahide still alive but also encountered Oichi. Sanada then saw Hisahide holding a skull Oda used to drink sake from and plans to take it, but Sanada sees it as a mockery of the dead. Hisahide then tells Sanada that Date was defeated by Hideyoshi, which has shocked him but doesn't believe that he would be beaten and demands to return the skull. As he was about to take the skull from him Sanada is confronted by Kotaro Fuuma and both he and Hisahide disappeared, leaving behind explosives. Sanada survived the blast but was approached by Oichi and attacked him with her powers and was about to swallow him, however he manages to break free and starts to attack her, which freed her from a dark spirit in the form of Oda and surrounds them both. Date, who has survived and covered in bandages, awakes in an old house and was told by his men that he had lost but had protected him from Hideyoshi's next attack but didn't proceed. Date later thanked his men for their deed and admits he has underestimated him. Hideyoshi, who had recalled Date's men protecting their lord, remembered Keiji protecting him the same way. Keiji then recalled his fight with Toshiie and decide to go to Osaka to meet him. The next morning, Sanada wakes up to find Oichi unconscious and realise she was trying to stop Oda. Later he encountered remnants of Nobunaga's forces and are prepared to attack him, but are surrounded by Sanada's men led by Oyamada, forcing the remnants to not attack him but tells Sanada they will restore the Oda clan. As Sanada left with his forces, he looked back at Azuchi Castle, concerned about Oichi, and Oichi herself watch Azuchi Castle burning down. In Aki, Hanbei has completed the alliance with Motonari and are planning to launch an attack on Motochika.

While Motochika is successful at his defence on Shikokou, Keiji returns to Kaga and meets with Toshiie and Matsu. They reveal that the Toyotomi clan wants the Maeda forces to attack Kai, which has surprised Keiji, but Toshiie commented about his understanding of Keiji's path to peace. In the battle on Setouchi, Motochika's forces have reduced the number of Mori's boat forces, however Motonari plans to lure Fugaku to allow Toyotomi's forces to attack. Hideyoshi appeared and reduces the area's sea with his fits, allowing the Fugaku to be unmovable on dry surface, however Motochika ordered his forces to fire the cannon at him, only for Hideyoshi to block the cannonball with his bare hands. A large number of Toyotomi and Mori's forces have surrounded the Fugaku but Motochika had gotten it moving on land and head towards Hideyoishi, however Hideyoshi had stopped it and confront Motochika. The two fight, with Hideyoshi easily gaining the upper hand on Motochika, leading to Sanada who had arrived and witness the battle to go and support Motochika and his forces, despite Sasuke's warning. With Sanada's forces managing to defeat a large number of Toyotomi and Mori soldiers they were however outnumbered, with Oyamada trying to clear a path to retreat but was killed in the process. With Motochika's last stand he had manage to defeat most of Toyotomi and Mori's forces but failed to defeat Hideyoshi as the Fugaku breaks down and destroyed, with Motochika seen falling and Toyotomi's victory secured.

In Odawara, Date took out his six swords as both he and Hideyoshi begun fighting each other, while Sanada's forces alongside a small group of Satsuma forces begun their assault on Motonari in his Nichirin forces. Kojuro then begun his attack on Hanbei's men and the to prepares to fight each other. Date and Hideyoshi continue their fight on Odawara, with Hideyoshi gaining the upper hand. In Echigo, Kenshin manages to defeat most of the Toyotomi's forces until he is confronted by one of his generals, Ishida Mitsunari, and the two fight with Kasuga arrived on the battlefield. In Satsuma, Shimazu and Musashi had manage to defeat most of Toyotomi's forces, who have been led by Ieyasu Tokugawa with Tadakatsu. In the Nichirin fortress, Sanada spots a village about to be run over and has manage to stop it with his Spears, which has surprised Motonari. As Sanada confronts him to fight, Motonari countered his attack, leading Sanada to land on one of the mirrors and Motonari using his weapons to hold him as he activates the Solarfall, leaving Sanada to be burned. However Sanada broke free and unleashed his full power to destroyed the Nichirin, with Motonari in disbelief as he was defeated and caught in the blast. Kojuro and Hanbei continued their battle with Hanbei managing to scare him until Kojuro used Date's damaged sword against him, with Hanbei defeated and fell over the edge of the cliffs. In Odawara, Hidyoshi had beaten Date and delivered the final blow as the Castle fell on top of him, however Date manage to survived and unleashed his full power with Kojuro's sword. With the two delivering the final blow on each other, Date had succeeded in defeating Hideyoshi but has collapsed and his men went to his side. After the battle had ben won, Keiji meets with Hideyoshi and Hanbei in a trance state, with Hideyoshi telling Keiji the people would not be like him forever and tells him that Yumekichi had brought him Keiji's charm but doesn't have the right to wear it and gives it back to him, with Keiji now understands. With Hideyoshi's defeat, the Toyotomi armies scatters and returned to their families. Keiji then left Kaga in his travels. Sanada had returned to Kai and met with Shingen. Shimazu arrived and had lunch with him as Musashi duel with one of Kenshin's men, Naoe Kanetsugu. Chosokabe and his forces travel on Satsuma in a newly rebuilt Fugaku. Date and Kojuro discuss about them to be plunged into war again and must rebuild Oshu.