On the day of her wedding to Paul, Mary Wheeler is given the deed to a mysterious old house that is occupied by a strange housekeeper named Nancy Crowl. Sometime later, Marc Reed, one of Mary's former suitors, arrives at the house and refuses to leave. When Marc is murdered, Mary is arrested for the crime. During her trial, an attorney who asks the judge for permission to address the court reveals himself to be Mary's long-lost father, Robert Wheeler. Eventually, Nancy is uncovered as the murderer and Mary is acquitted of the crime.