Lt. Sharon Valerii wakes up soaking wet in the tool room with an explosive charge in her duffel bag. Shortly afterward, a mysterious explosion destroys all the port-side water tanks on Galactica, creating a crisis for the entire fleet. Sharon can't remember a thing, but all the evidence points to her as a saboteur. She confesses her concern to Chief Tyrol, but he can't believe she's responsible.
Elenco: Edward James Olmos , Mary McDonnell , Jamie Bamber , Katee Sackhoff , Tricia Helfer , James Callis , Aaron Douglas , Alessandro Juliani , Callum Keith Rennie , Dean Stockwell , Grace Park , Kandyse McClure , Kate Vernon , Lucy Lawless , Michael Hogan , Michael Trucco , Nicki Clyne , Rekha Sharma , Richard Hatch , Tahmoh Penikett .