The Bullet from Van Gogh

Colonel Lev Gurov visits the gallery of Impressionists at the invitation of the famous art historian Oleg Svyatsky. He promised to show the detective a unique exhibit - a revolver from which Van Gogh was allegedly shot. If this is true, the world is in for a real sensation! While waiting for the meeting, Gurov hears a gunshot deep within the gallery. He rushes to Svyatsky's office and sees him shot at point-blank range. The criminal manages to slip out of the office unnoticed, but he does not have time to leave the building: the activated security system locks the doors and windows. Together with the colonel, six other visitors are also trapped. One of them is a cold-blooded killer...