Knights of the Ashen Flame, Yona and Arrow, report Shinra's Adolla burst to their commander, Sho Kusakabe, Shinra's brother. Meanwhile, forensic scientist, Viktor Licht, is assigned to Company 8 and Shinra is selected to take Arthur and Iris to recruit the crackerjack engineer, Vulcan. He has an intense dislike for Haijima and the Fire Force, but at his junkyard workshop, they meet Vulcan's apprentice, Yu, who agrees to take them inside. Vulcan explains his a dream of recreating animal life on the planet. While there, Captain Dr. Giovanni from Company 3 arrives to ask Vulcan to join him, but he refuses even though Giovanni has stopped supplies getting through to Vulcan's workshop...