A wealthy heir is presumed dead after an ocean liner sinks off Honolulu, but Charlie Chan's instincts lead him to suspect foul play. He travels to San Francisco to investigate further, only to find the missing heir has already arrived, but is mysteriously murdered before he can reveal any information. As Chan delves deeper into the case, he uncovers a web of secrets and deceit surrounding a spiritualist and her family, all tied to the eerie and abandoned Colby mansion, where another murder takes place during a séance.
Charlie Chan's Secret
The apparent drowning of a wealthy heir sparks a mysterious investigation, leading to a shocking discovery as he surprisingly resurfaces, only to face a horrific end.