While on a publicity tour in Switzerland, Benji, Cindy Smith, and Patsy Garrett convince Kris Kringle that his place on Christmas Eve is delivering presents to all "his" families all over the world.

Benji is a stray who has nonetheless worked his way into the hearts of a number of the townspeople, who give him food and attention whenever he stops by. His particular favorites are a pair of children who feed and play with him against the wishes of their parents. When the children are kidnapped, however, the parents and the police are at a loss to find them. Only Benji can track them down, but will he be in time? If he can save the day, he may just find the permanent home he's been longing for.

Some school kids stumble across a briefcase full of money, when they go back for it, they find a body instead. When they bring the police, neither is there, and the police refuses to believe them. Later they discover both were part of an assassination plot. Now they have to figure out how to stop the plot and put the bad guys in jail.