Action movie with some of the characters from the Margelatu' series. A bank owner (Costache Vulpescu) gets a diamond from a Romanian noble lady and he decides to protect it in order for his daughter to inherit it. The plot consistsof attempts by the various characters to get a hold of the banker's fortune and the diamond. The action hero is Soby Czech, who will attempt to avenge the death of his best friend Marin (the trustee of the banker, who is killed while trying to protect the fortune and the diamond).