The St. Gregory Hotel prepares for the elaborate wedding of Maggie Blackwood (MARY CROSBY), daughter of an aristocratic San Francisco family, and Jeff Strider (BOYD GAINES), adopted son of Gil Strider (STEVE FORREST), a computer manufacturer. However, prenuptial jitters set in and Jeff tries to deal with the anger he feels toward the mother he never knew who gave him up for adoption. On the eve of the wedding, Maggie's father, Lewis Blackwood (ROBERT STACK), is caught by his wife Eleanor (DINA MERRILL) with a Blackwood Company Executive, Paula (PATRICIA McCORMACK). Meanwhile, the groom's father is facing financial ruin as a result of his business partner's illegal stock manipulations. When Gil asks Mrs. Cabot for a temporary secretary, she arranges for the services of Teresa Clayborne (VERA MILES), whose expensive clothes seem out of range for a secretary. When the wedding rehearsal falls apart from all sides, Teresa intervenes to bring Maggie and Jeff back together and save the weddin

Ellen Lindstrom winds up in the room of a British diplomat, Anthony Mortlake, who introduces Ellen to heroin. Later that night, he finds Ellen in the bathroom, dead. When police inspector Alvarez suggests a search for a syringe, Mortlake refuses to open his dispatch case on the basis of diplomatic immunity. Joe Lindstrom, father of the dead girl, arrives at the hotel and hides in Mortlake's suite, watching him set up for an injection. Lindstrom holds Mortlake at bay with a pistol and calls for police. Lisa Herrick waits at the hotel for her boyfriend, who has been delayed. Disappointed, Lisa wins the sympathy of Zack Shepherd, an old friend of Mrs. Cabot. Actually, Lisa is there to meet with attorney Sylvester Sullivan regarding the inheritance she is receiving from a mysterious guardian who has looked after her needs since she was an orphaned baby. Julie is juggling romances with two delegates of a computer convention, Errol and Kaz. Christine overhears Errol and Kaz making a bet as t