The Night of 13th

Todor Primov is an officer of the royal army who changes sides and goes over to the partisans After the war he graduates in engineering and is appointed manager of several construction projects His car crashes on the eve of March 13 After his recovery Primov resumes his work Yet secret information starts leaking from the projects and some serious accidents occur Andrey who befriended Todor Primov back in the partisan unit goes to investigate the causes He knows that Todor was coloredblind while this engineer distinguished colors Andrey manages to get at the truth Parvan Primov Todors twin brother has made the car crash On that night he killed his brother and took his place