Hernán Sosa is a shy young man who comes from the province to the city. In his town he was in love with an unattainable girl, Yanina.
Hernán gets a job in the Post Office. While making a delivery, Hernán discovers that Yanina is in the city nearby his delivery route.
So, he begins to unfold his new knowledge of postman to reach her. But as he approaches, he discovers that some old mailmen are organizing a robbery in the same building where Yanina works.
Encouraged by the strength of love, Hernán will face the dangers that surround Yanina to get to declare what he feels.