Two of the mightiest warlords of ancient Japan, Takeda Shingen and Uesugi Kenshin, set aside their rivalry to unite against the forces of Date Masamune.

Sanada and Date rush to claim the same prize: Imagawa’s head. A clash erupts between the two warriors, but before one can declare victory, their battle is interrupted by a horrifying presence.

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.

After Hisahide's identity has been confirmed with Date and decided to go after him, Chosokabe also joins them after revealing his history with Hisahide. In Satsuma, both Sanada's Takeda forces and Satsuma forces have begun an assault on the Toyotomi forces, however they are confronted by a large number of Mori's forces and then attack the villagers, which Sanada intervened. Shimazu then attack a large group of Mori's Naval forces on the south side beach and Sanada joins him. Meanwhile, both the Date forces and Motochika forces are suddenly hit by Hisahide's trap, which Date and Cosokabe confronts Hisahide himself until he used an explosive device on them. While Keiji is looking for his charm, Kasuga arrived and revealed to him of the Toyotomi forces heading to Odawara, and Keiji decides to leave Yumekichi to Kasuga. In Satsuma with Toyotomi-Mori forces retreting, Shimazu then conpliments Sanada for his efforts, which still doubts Sanada of the people he strikes down until Shimazu gave him some advice, which Sanada now knows what he desires is peace for the land. Shimazu then tells Sanada to go stop Motonari with some of his men, with Sanada bidding farewell. In Aki, Motonari heads to battle with the now completed fortress, Nichirin. In Osaka, Hideyoshi was about to leave and tell Hanbei to rest, knowing of his ill succumb him, and tells Hanbei he needs him. Outside Osaka castle, Date and Cosokabe survived the blasts and witness Toyotomi's forces leaving and are planning to attack the castle to free the prisoners and later fight Hideyoshi.