Famous detective Charlie Chan is called out of retirement to help a San Francisco detective solve a mysterious series of murders. With his bumbling grandson as his sidekick, Chan also encounters an old nemesis known as the Dragon Queen who is the prime suspect.

Taking place 500 years after the Havoc in Heaven, the Tang Priest is appointed by Buddha to go to the West to fetch the sacred scriptures, only to accidentally free the Monkey King. With Lady White aiming to break up the team assembled to defeat her, the Monkey King must fight in order to save his world!