The Mine with the Iron Door

Having acquired the controlling interest in the Eureka Discovery Corporation for five-hundred dollars, and selling half of it to a detective for two-hundred dollars, Bob Harvey sets off with his new partner to find the buried treasure of San Capello---with very strange consequences.

• Director: David Howard
• Cast: Richard Arlen, Cecilia Parker, Henry B. Walthall, Stanley Fields, Spencer Charters, Charles Cahill Wilson, Barbara Bedford, Horace Murphy