THE UNDERSTUDY - Connie Evans is a cruise director trainee, but the crew soon learns that she intends to discredit Julie, get her fired, and steal her job. MARRIED SINGLES - Durwood Moss and Maisie Nolan are a married couple who try to take separate vacations on the same cruise in order to spice up their marriage. This proves difficult since they're assigned to adjacent cabins. Durwood meets up with luscious young blond bombshell Barbie, while Maisie makes time with overzealous insurance salesman Jack Plymouth. LOST AND FOUND - Richard and Sharon Baker are grieving over the death of their son several months earlier, when they befriend Theodore Dennison Junior, a young boy who is traveling on his own and may be an orphan.