A pampered, uptown pet dragon named Mushu is left home alone while his owner and her parents are away for their holiday. Then, an orange slobbish cat named Garfield enters his house uninvited. Mushu then hatches a plan to get him out by flushing him down a toilet. But, he then realizes Garfield is no fool and his plan backfires and he gets flushed to the sewers of London. Where he meets a blue ice dragon named Sisu as she offers to help him get home. However, the pompous aristocrat newt rival of her family King Andrias along with his goons and his toad cousin Grime are hot on their tails for Sisu's ruby.
