Based on the loosely autobiographical novel of the same name by Toko Kon. Ken Yamanouchi stars as Togo Konno, the titular bastard.

The Ghost Sonata relates the adventures of a young student, who idealizes the lives of the inhabitants of a stylish apartment building in Stockholm. He makes the acquaintance of the mysterious Jacob Hummel, who helps him to find his way into the apartment, only to find that it is a nest of betrayal and sickness. The world, the student learns, is hell and human beings must suffer to achieve salvation. The play centers on a family of strangers who meet for the sake of meeting. They exchange no dialogue, nor gestures, they simply sit and bask in their own misfortune.

Arnold Maitland is devastated when he finds out that his wife Cynthia is having an affair with a man named Boresky. He falls in love with Flora Farnsworth, a cabaret dancer, and sets out to divorce his wife and marry Flora. Unfortunately, Arnold is killed in an accident, and Flora turns for comfort to his business partner Philip Standish, and soon falls for him. Enter Cynthia, who has tired of Boresky and wants Philip for herself. She hatches a plan that will get rid of both Flora and Boresky and leave Philip for her.

A rich libertine leaves all his money to a college girl who had refused his advances. The ensuing scandal makes her retire to a small town, where she meets the dead man's son.