[3] At the time of this film, Henry Hull was starring on Broadway in the stage version of John Willard's The Cat and the Canary.

Agnes Harrington's uncle separates her from her family in Africa when her wealthy father passes away, so that he won't have to share his brother's fortune with the child.

Years later on his deathbed, he sees to it that Agnes is restored to her rightful place in society, cutting his own son John Fairfax out of the chain of inheritance in the process.

John, Agnes and a number of other people gather at a social event at the famous Fairfax Estate, unaware that it is being used by a gang of bootleggers, and that a hidden treasure is concealed somewhere on the grounds.

To make matters worse, a creepy madman is stalking the grounds, and one by one people start turning up dead.