Ingmar Bergman`s The Serpent`s Egg follows a week in the life of Abel Rosenberg, an out-of-work American circus acrobat living in poverty-stricken Berlin following Germany`s defeat in World War I. When his brother commits suicide, Abel seeks refuge in the apartment of an old acquaintance Professor Veregus. Desperate to make ends meet in the war-ravaged city, Abel takes a job in Veregus` clinic, where he discovers the horrific truth behind the work of the strangely beneficent professor and unlocks the chilling mystery that drove his brother to kill himself.