Director: Ryszard Ber
1966
A militia captain and a lieutenant are called to a castle to prevent the theft of a valuable painting, "The King of Siberry." During a secret operation, unexpected events unfold—the painting disappears, and the curator is murdered. Soon, an investigation begins, during which the officers must unravel the mystery not only of the missing painting but also of the mysterious death of the museum employee. As the investigation progresses, they uncover increasingly dark secrets connected to the artwork, its copy, and the circle of people who might have the crime on their conscience. The film is a complex crime thriller, full of intrigue and unexpected twists.