Against Rebel's advice, Cruz turns to a familiar source to help dig up proof that proves the Stonemore valve is faulty. Elsewhere, Rebel, Cassidy and Grady come together to help Ziggy after learning that her friends have been unjustly expelled from school. Meanwhile, Lana continues to search for more information about Angela and instead is confronted with a shocking revelation.

Cast: Katey Sagal, John Corbett, Lex Scott Davis, Tamala Jones, James Lesure, Kevin Zegers, Sam Palladio, Ariela Barer, Andy Garcia, Abigail Spencer, Sharon Lawrence, Nina Millin, Matthew Glave, Chloe Wepper, Emmett Preciado