Synopsis:  Two friends are on a tourist bus trip, when it suddenly makes a stop at a gas station for the occupants to stretch their legs and perform their physiological needs. Chencho, one of the two friends, heads for the restrooms.

Later, Chencho realizes he is locked in the bathroom and tries to find his way out in every possible way. His best friend, along with another passenger on the bus, must go looking for him at dusk, but the dangers that await them there are not to be expected. 

(Source: BANATU FILMAK )