Several days after one of his company's dams burst, ruining the life savings of several investors, a shady power company president is found stabbed to death. Ellery Queen gets to the bottom of the mystery.

Cast:Ralph Bellamy, Margaret Lindsay, Charley Grapewin, Spring Byington, H.B. Warner, James Burke,

Genre:Mystery,

country:United States of America,

Production:Columbia Pictures, Larry Darmour Productions,