A group of pre-university boys and girls experience all kinds of problems and joys that arise in their lives. Among other worries, they have to deal with the pressure of their studies, difficulties with their families and, of course, their first loves.

One by one, the Urdaz family is plagued by a series of mysterious disappearances, starting with the tyrannical father that everyone fears.

A woman is found murdered in her house the day after a party. The police begins the search for the killer asking questions to all the people that attended the party.