In the dramatic 17th episode of Fire Force, "Black and White and Gray," Shinra battles the White-Clad to protect Vulcan and reunites with his brainwashed brother, Sho, while a desperate escape unfolds with the help of Joker. Vulcan, devastated by Lisa's betrayal, decides to join Company 8 to fight back and eventually rescue her. The episode highlights a massive power gap between the brothers and sets the stage for a deeper conflict, with a climactic battle between Joker and Sho facilitating the team's narrow escape.
You can watch the full episode on streaming platforms like Crunchyroll or Hulu. Enen no Shouboutai Episode 17