Doug discovers files in Douglas' attic that indicate Chasity was murdered. He attempts to tell the team, but gets arrested himself. Meanwhile, Leana and Scythian are thrilled to have John, Marie, Joe, Annie, Ursula, Paul, Fred, Charles, Nancy, Ricardo, Edna, Seth, and Ethan back. Barry comes out of Rehab a reformed man, but is thrust a mix-up with Zuri (running for queen against Evie) and Connor. Cody and Zack are exposed to a personality-swapping chemical that wears down Cody and causes Zack to vanish. Shelly works with Naldo Jr and Berry Sr, only to find they are an advanced generation Bionicstorm. Heather organizes a party to commemorate Shelby, but when Douglas falls down sick, she organizes the team to go on a mission to recruit Chasity in the past. Kaz, done with ostrich farming in Mexico, wonders if he should follow Chasity, but Marie talks him out of it and tells John about her being a sex offender. The BSSSD sets the DeLorean's (The Waverider is in the shop) coordinates for 2039 and heads off.