A large-sized diet doctor (Jennifer Holliday) hires a hard-body fitness instructor to promote her nutrition program, a man (Dack Rambo) tells his significant other that he wants to see other women, and Doc runs into an ex (Stephanie Beacham), while he is on his honeymoon.
Mother and daughter cons work a Christmas cruise. Depression overcomes a comic portraying Santa. A couple are reunited after 11 years. The new Mrs. Stubing wonders what to get her husband for Christmas.
Heather wonders if Wellington will still love her when he finds out about her. A chance meeting between David and the morose Santa helps them both make a fateful decision. Mrs. Stubing struggles to find a present for Merrill.
A billionaire, who secretly gave free cruises to six strangers, is reported missing. Ace (Ted McGinley) suspects that one of the six cruise recipients murdered him. Emily (Marion Ross) searches for fulfillment, as someone other than the Captain's wife.