Everything changes when, on a day of great expectation, he discovers that Santa Claus has disappeared without a trace.

Together with his faithful friend Terry, a slightly nervous but big-hearted elf, Smiley embarks on an epic adventure through the Kingdom of Christmas.

Facing mysterious and challenging tests, and with the guidance of magical lights and enchanted characters such as ice guardians and wise gnomes, Smiley and Terry learn about the true strength of Christmas: friendship, courage and hope.