Eleven year-old Bobby Cole and his dog Chilly are best friends living happily in their Southern California beach house. But when Bobby's father Patrick (C. Thomas Howell) a single parent and police detective accepts a job in New York City they must find Chilly a new home. In an attempt to show Patrick that Chilly can be a city dog Bobby and his pals teach him the indoor ways of living but Bobby's dad is not convinced. It's not until Christmas Eve when corrupt dog thief Mr. Quarterman (Tom Arnold) breaks into the family home that Chilly and Bobby can put their new training to the test. Can they band together and save Christmas - and Chilly's future with the family?