The Challenge is a 1948 American mystery film starring Tom Conway as Bulldog Drummond.
Vivian Bailey travels with Cliff Sonnenberg to visit his uncle, unaware that Capt. Sonnenberg has been flung from a cliff to his death. After a model of a schooner bought by Bulldog Drummond's friend Algy leads to a pursuit of a sunken treasure, Drummond helps bring the co-conspirators, including the captain's housekeeper Kitty Fyffe, to justice.