Someone Must Pay

Gennaro, the son of Lucretia Borgia, lives unaware of the identity of his mother, who has married the Duke of Ferrara. After Lucretia's brother is killed by five conspirators, the fathers of Gennaro's dearest friends, Lucretia tortures the old men to death. Later, Gennaro and his companions journey to Lucretia's domain, and she sees her son for the first time. The Duke, who believes him to be her lover, poisons him, but Lucretia administers the antidote in time and saves his life. Then she schemes to poison her sons' five friends for their fathers' mistake.

A nobleman wishes to help the woman he had seduced and abandoned years earlier when he learns that she is now on trial for murder.

Wilton, a hunchback, who was always scorned and ridiculed by women, returns from Java a rich man after having discovered a diamond mine. He romances Gina, who is on the rebound from a broken affair, and showers her with expensive gifts. After Gina reconciles with her boyfriend, she continues to see Wilton because of what he gives her. After he discovers her perfidy, Wilton develops a poison and mixes it into her lipstick, which will kill any man who kisses her. Lost film.

A man breaks into a flat, startling the occupant. They argue about the new girlfriend of the 'burglar', who's come to get her stuff. Then a third man bursts out of the cupboard...

An actress poses as an heiress who died, and dies fighting blackmailing detectives in a burning house.

Chaney plays two roles: mad scientist Arthur Lamb and Lamb's "experiment", known only as the Ape Man. This hideous creature was the result of Lamb's attempts to transplant animal glands into human beings. A lost film.

A banker, after a prophetic meeting with a Gypsy fortune teller, becomes delusional as he searches for a trunk which the seer has told him holds the key to either his happiness or his death. This film is considered lost.

A husband, jealous of his wife's flirtations with another man, hatches a plot to make his wife jealous.

The year is 1025 and Arnljot Sunvisson has returned home after a long journey to find that his betrothed has married another.