A father and son who team up to save Christmas once they discover Santa Claus sleeping in their garage after crashing his sleigh and finding himself on the run from the police.

Ethel and Tommy Barrick are sent to Ireland to spend the summer with their new stepmother. Once there, they discover her to be an evil, power-seeking witch, with real magical powers and a hatred for all things green.

A fairy takes on human form and enters the life of a widowed children's book author and his daughter.