A worker, engaged to the owner of the factory where he works, at his mother's request, begins a relationship with a poor girl, who is ill and will soon die. His fiancée discovers his double life and reveals it to the sick girl, who ends up in the hospital.

A young man, Spiros, abandons his beloved without knowing that she is pregnant. The girl remarries, while the boy who is born is tormented by his stepfather. As the years pass, Spiros returns from abroad, searching for traces of his son, who has run away from home to escape the torment he is suffering...

A new and rich heir, Anna Margot, is receiving threatening phone calls from an old friend, Anna not knowing what to do requests the help of her friend Tonis Karzis, the anxiety will culminate as a series of unexplained murders follows .