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.

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.