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.

As Date's forces encountered Soldiers of Takeda, unknown to them are Toyotomi's forces in disguise, while Shingen was informed about Oyamada's death from Sasuke and was later informed about Date's attack on Toyotomi's forces disguised as Takeda soldiers. As Date drew Kojuro's sword, he stop and discovered the Toyotomi forces are disguising themselves as Takeda forces from Sasuke, leading both Date's forces and the real Takeda forces to defeat the Toyotomi soldiers. Near Satsuma, Sanada rethinks about the event in Setouchi and felt guilty of Oyadama's death. Later he come across men of Satsuma, who flee before Sanada gave an explanation and went after them, only to be confronted by Miyamoto Musashi, which the two fought but stopped and Musashi took Sanada to meet the leder of Satsuma. Sanada then meets the leder, Shimazu Yoshihiro, which has surprised Sanada as the man who was supposedly killed by Oda. After the battle in Kai, both Date and Shingen discuss about Toyotomi's activities and motives and Shingen decides to work together to defeat Toyotomi, however Date refused and is determined to fight Toyotomi in Osaka. In Osaka, Hideyoshi and Hanbei discussed about the next plan and the arrival of a new weapon, Keiji arrives and demands to speak with Hideyoshi.