Russia, end of XIX century. In an abandoned estate near St. Petersburg is a series of mysterious murders of villagers. Arrived at the scene of the...

Dr. Grunert, electronics specialist from the GDR, gets a visit from an old acquaintance from war times. Both worked back then on navy torpedoes. His...

A group of young scientists conducts an experiment, putting themselves in the conditions of the people of the Stone Age. With the help of stone...