A spoiled young rich girl is forced by misfortune to fight for survival in the slums and alleys, where she becomes involved with all manner of unpleasantness.

An American boy turns out to be the long-lost heir of a British fortune. He is sent to live with the cold and unsentimental lord who oversees the trust.

A young American has her ship torpedoed by a German U-boat but makes it back to her ancestral home in France, where she witnesses German brutality firsthand.

Angela maintains a coastal lighthouse in Italy, where she awaits the return of her brothers from the war. She learns they are casualties and takes solace in the arms of an American sailor washed ashore. However, the sailor turns out to be a German spy, and she is torn between her love for him and her realization that he is part of the enemy force that has destroyed her family.

The tenements are home to an international community, including the friends and family of a tough young ragamuffin named Annie Rooney, but their neighborhood may be threatened by a dangerous street gang.

A woman wakes up in the middle of the night on board a train, but she can't remember how she got there. Danger and suspense ensue.