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.

Hanbei meets Kojuro, who still demands that he would serve Hideyoshi, which Kojuro still refuse and believes Date would defeat Hideyoshi. After Hanbei leaves, Fuuma Kotaro appears and took out the guards on the way, while Sasuke and Kasuga infiltrate Osaka Castle and discovered Kojuro. The three headed to Hideyoshi command room and discovers plans involving Aki and an attack plan on Uesugi and Northern Kyushu, with Sasuke giving Kasuga a glider to go to Uesugi. As Sasuke was about to give Kojuro a sword, Kotaro suddenly appears and attacks both Sasuke and Kasuga. With Kasuga escaping to Uesugi, Kotaro took the sword Sasuke threw and disappeared, with Kojuro heading to find Hanbei before releasing the prisoners for them to revolt. As both Date and Chosokabe confronts Hisahide before he disappeared, Kojuro reunites with Date and his forces and reveals to Chosokabe his prisoned forces have begun their attack on Osaka castle, which Chosokabe leaves to join them and leaves Date but comments they will meet again. Kojuro then tells Date about Toyotomi's plans and heads off, leaving Date and his forces to Odawara. As Motonari heads for battle in the Nichirin, he kills Akagawa Motoyasu knowing he was a spy for Toyotomi and intends assassinate Motonari by giving poison sake. With Toyotomi's forces spotted, Motonari uses the Nichirin's Solar Cannon on them with Sanada witnessing its power. As Toyotomi is leading his forces to Odawara, Keiji appeared on their path and takes out his weapon, but still tells Hideyoshi to stop, which he ignores and ran through his with his sword damaged and broken. As he lies on the ground he meets Date, who questions hm for wielding a sword, which Keiji replied about his views. Date then leaves him with his acknowledgement of him. As Sanada heads to battle he meets up with Sauke who tells him of Toyotomi's plan and ask if he needs forces from Kai, which he refuses and ask to stay in Kai. As news of Toyotomi's souts being wiped out by Mori to Hanbei, Kojuro appears and confronts him, With Date confronts Hideyoshi in Odawara and the two fight.

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.