Charlie Chan's Secret Twentieth Century-Fox Film Corporation (1936) Starring Warner Oland Directed by Gordon Wiles An ocean liner sinks near Hawaii and Allen Colby, heir to the family fortune, is presumed dead. However, as his is the only body unaccounted for, Charlie Chan, who is seeking proof of Colby's demise, is not so sure. The detective, working for Henrietta Lowell, the sister of Allen's father flies to San Francisco to investigate further. The missing Colby appears at Colby House ahead of him, but is knifed by a hidden killer in the back before seeing anyone. Further events revolve around spiritualist Mrs. Lowell, her family of suspicious characters, and the spooky Colby House, where the body of Allen Colby dramatically turns up during a séance with Chan in attendance.