Bobby tries to determine why and how Pam disappeared from the hospital. Cliff is upset with Bobby for not having turned Katherine to the police. Nicholas Pearce has big plans for Valentine's Lingerie. J. R. is happy with Casey Denault's services. Bobby and Cliff suspect Katherine in Pam's disappearing and they hire a detective. Serena Ward reappears in Dallas and asks J. R. to hire her friend. Pam leaves a farewell letter for Bobby and Christopher.