In a lighthearted and comedic mystery, retired detective Charlie Chan is called out of retirement to help solve a series of murders in San Francisco, teaming up with his bumbling grandson as sidekick. The case takes a surprising turn when an old nemesis, the enigmatic Dragon Queen, emerges as a prime suspect. With a talented cast, including Peter Ustinov and Angie Dickinson, this 1981 film brings the beloved detective to life in a fun and entertaining way.