Jack O'Brien comes to the mining town of El Dorado with nothing but his pluck and his music. Biddy Malone was the first to hear his singing, and it won a place for the lad in her heart and a job at her woodpile to pay for his board, while Mary, who lived with Biddy, looked and listened, and learned to love the big singer. Hardpan Henry, who owned the Lucky Strike claim, and who was really Mary's father, also hears the troubadour's song, took a fancy to the lad and showed him the sights of El Dorado.

In 64 A.D., Marcus Superbus is Prefect of Rome. When the Emperor Nero decides to renew persecution of the Christians, Marcus opposes him, fearing for the safety of Mercia, the Christian woman whom he loves. Through the machinations of the Empress Poppaea and other women at court, Tigellinus, Nero's agent in the war against the Christians, convinces Nero to have Mercia arrested. Marcus appeals to the emperor for mercy, but is told that she can be saved only by renouncing Christianity. Waiting to enter the arena to be killed, Mercia steadfastly refuses to reject her religion, despite Marcus' pleas. Finally, Marcus is converted by her and they enter the arena to face death together.

A short melodrama about the friendship between a rich boy (in a wheelchair) and a poor street girl. When he falls seriously ill, she is not allowed to visit him. After his death, she also dies, on the street. In her hand she holds a flower, which was the last gift that the boy gave to her.

Lass and her six little puppies are lying near the kennel upon the suburban estate of Mr. Jameson, the wealthy New York broker. Mrs. Jameson, his wife, is walking about the estate accompanied by her six months' old baby and its nurse. She stops and speaks kindly to Lass and her little family. Picking up one of the little dogs, she playfully puts it in the carriage with the baby and petting the little animal, returns it to its mother. She continues upon her walk. This same little puppy strays away from its little brothers and sisters and reaching the railroad tracks, it wanders into the next village, where it is met by a crowd of youngsters that are gathered about the station. They playfully abuse the little animal.

Harry Earl is in love with the station owner's daughter. The manager makes advances on her, but Earl beats him up. The overseer urges some Aborigines to kill Earl but one of them, alerts the station men by writing a message on a spear.