Two rich, reclusive old brothers, wards of their niece Elsa Carson (Irene Ware), are very protective of their own affairs and also keep a close eye on Elsa. One of them, Henry Carson (William V. Mong), is murdered and his brother, sister, and household servants all come under suspicion. Elsa enlists the aid of private detective Jim Landis (Ray Walker, with whom she is falling in love, and Jim solicits help from older, retired detective Paul Bernard (Berton Churchill).