The series begins with comedy and romance through a wide range of scenes. On Christmas, Captain Gavin MacLeod alienates his crew because of his lack of Christmas spirit. Dan Barton (John Gavin) and his partner in the Double Transit Act, Walter Berry (Dean Santoro) meet on board the ship and plan to retaliate because he was convicted of the crime committed by the partner. Paul and Audrey Pines (Cixie Green and Florence Henderson) imagine about divorce each other. The minister, Father Mike (Dick Sargent), is accompanied by six orphans who return to the orphanage in Mexico.