The Case of the Franks

S4, E13: As Valentine's Day approaches, Ryan worries that the pressure of the holiday will ruin his relationship with Taylor. Meanwhile, revelations from their pasts, along with a psychic's dire predictions, cause Summer and Seth to question whether or not they are destined to be together. Elsewhere, Kirsten reminisces about her own history and decides to share a long-held secret with Sandy, and Ryan begins to reconcile with his dad.