Poucet is a kid from a family of numerous children. The parents, too poor to feed them, decide to abandon them in the forest. Their, the brothers try to find their way out making fantastic encounters. This film is based on the French fairy tale "Le petit poucet" by Charles Perrault.

When the dead body of Mr Kaplan is found, a kitchen knife in the back, all eyes turn to the maid. When the widow reveals that her departed husband was incapable of giving her children, all eyes turn to the widow. Beneath this passionate crime, a modern day detective will discover that temptation, devotion, remorse and desire are the best fuels for killing love.