Contains spoilers for this episode and earlier episodes.
Butcher brings Frenchie out of jail to work with Sameer on the virus and rejoins the Boys as Mother's Milk considers leaving with his family. A-Train argues that running will not protect him from Homelander and reminds him of the purpose their work has given him. The team investigates a would-be assassin targeting Singer and discovers a shapeshifter, who escapes by borrowing another person's face during the pursuit.
Homelander kills Webweaver as a suspected leak, then sends the Deep and Black Noir to attack the Boys. A-Train helps stop them, exposing himself as the real insider and forcing him into hiding. Sage says she knew about his betrayal and intended to use it, but Homelander fires her for withholding information. Ryan also refuses his father's propaganda, interrupting a live commercial to repeat what Becca taught him about telling the truth.
Frenchie and Kimiko reconcile over the violence in their pasts, but Sameer injects Kimiko with the virus and escapes. Frenchie amputates her leg before it spreads, leaving them a sample at terrible personal cost. Butcher collapses after seeing Ryan's defiance. Hughie tries and fails to persuade Neuman to abandon the assassination plan, then returns to someone wearing Annie's face. The real Annie is imprisoned: the shapeshifter has entered his home and stolen the files he was using against Neuman.