The tale of an individualist proletarian in a time marked by the rise of mass political movements. In early 20th-century Italy, illiterate sailor Martin Eden seeks fame as a writer while torn between the love of a bourgeois girl and allegiance to his social class.

An eye strain was really the cause of making the young business man realize that he loved the young typist and a wrongly compounded remedy for the same eye strain placed the girl in grave danger, the danger being averted merely through the ingenuity of the young business man with the help of his friend, the power superintendent of the city's street-car lines.

Rose and her cousin Mary dwell in the land of romance, but real Romeos are scarce in this prosaic age. Yet Rose, in spite of a gay young Lothario who steps in the way of her own true love, finds her way to love-land. That was where Mary's perfidy came in. It showed up Lothario's true character, while at the same time it brought Mary back to her own determined young lover.

Everything he did seemed to be misconstrued, except by the little lady he loved. The town roisters made fun of her and his love. That made trouble and the chief vigilante believed him the cause of it all. So he was "in wrong" all around. The girl's father also sided with the opinion of the world, and sent both the boy and girl away. Mother was on a visit at the time, and therein the need of such a one at home was proved, for once back she sent the father out to bring them home again. The boy in the gold hills had been misunderstood again. Marauding merchants had left their victim on the mountain pass and the boy, coming on the scene, was again accused, but the lie in the end destroyed itself.

The supposition was that she was born a tease, for from her first teeth to the time she was almost grown, she vented her witcheries on her unsuspecting parents and the wild things of her mountain home. But that was before the man from the valley lost his way and later found it back again, bearing away the little tease to the valley. While she suffered the qualms of broken faith, her father passed through a like struggle, for he felt the precepts of the "beloved book" had failed him. He closed the door of his cabin upon the world and the light from his window, lighting the wayfarer over the mountain path, disappeared. The struggle over, it came hack in its place in time to beckon the little tease as she left the valley behind.

A young couple struggle to get ahead, the wife always assuaging the troubles of her melancholy husband. As he climbs the ladder of success, he abandons the homely values and begins an affair with a beautiful woman. His wife leaves him, returning to her mother's home where she bears a child. When the husband is abandoned by his lady friend, remorse drives him to find his wife.

In the future (1921), an alliance of several foreign countries plot to attack the US. American officials, coming to the realisation that the country is basically defenceless, offer $1,000,000 to anyone who can come up with a weapon to defeat the invaders. Winthrop Clavering, a writer and inventor, hears of the reward and tells his friend Bartholomew Thompson, a scientist and inventor who has been working on developing flying torpedo. However, enemy agents have also heard about Thompson's project, and set out to kill him and steal his plans. This film is now considered lost.

The cruel captain of a schooner dominates the shipwreck victims he picks up.

Based on the autobiographical novel of the same name. Jack London has struggled with alcoholism most of his life. At age five he was instructed to bring a pail of beer to his father and drank some to prevent it spilling over, getting drunk for the first time. As an adult, he goes through cycles of abstinence only to return to hard drinking.

The question is, would the young tramp really have fallen in love with the groceryman's daughter if he had not caught her in the heart struggle? Be that as it may, she could not find it in her to drown the unwelcome visitor to the pantry, so she let it go and the silent little drama witnessed by the tramp greatly impressed him. Not so the strict aunt, she declared the whole thing to be in exact accordance with everything else in the family. Their hearts ran away with their heads. That was why they lost money on credit, could not pay off the mortgage and send the sick sister to a better climate. As for the tramp, they had no business to take him in. He could not pay for his keep. But the tramp surprised them all.