Archie knows he's running out of time and wants to finally tell Brenda he loves her, officially ask her out and all that. Meanwhile, Díaz gets a lead that brings her closer to the truth behind the zombie infection, while the crew works on a cure for Archie. But the clock's ticking, and a new alliance puts Archie's life -or, well, his unlife- at serious risk. Will they manage to cure him in time?