When a pair of bumbling criminals threatens to ruin the Bannister family's big Christmas vacation, it's Zeus to the rescue in this sequel to The Dog Who Saved Christmas. Last Christmas, Zeus (voice of Mario Lopez) defended the Bannister household from a pair of dastardly burglars, but this year the family is spending the holidays at a snowy Rocky Mountain lodge. As the festivities get underway, Uncle Randy (Casper Van Dien) shows up with his perfectly manicured poodle Bella (voice of Paris Hilton), who forges an immediate love connection with Zeus. Their puppy love is rudely interrupted, however, when determined jewel thief Ted (Cain) and his partner-in-crime return to spoil Christmas for everyone. It's a good thing the Bannister's brought Zeus on vacation this year, because everyone's favorite dog is about to become the hero once again.