Vaaksa vaaraa

Employee of the telephone company Paavo Kostiander receives by mail a package with a strange device. Shortly afterwards it begin to pursue the unknown, trying to capture and take home with them. Paavo several times can not escape, but the attack continues. Trying to figure out the reason for the persecution, Paavo suspects that through it someone is trying to commit sabotage on the telephone station. In a nightclub, he met with singer Nina, who is willing to help a young person cope with a strange situation, but soon he realizes that a new friend connected with his pursuers.