Ignacio Costa is a tyrannical businessman with a conflictive personal life. He has a large family, a woman he abuses and humiliates and five children with whom he does the same, except for Mariana one of the girls. Tired of so many vexations, his wife will begin to influence his children until together they will plot the murder of the father

Basada en la historia real de "la dulce Neus", narra el caso de un opresor padre de familia, que desahoga sus problemas laborales humillando y maltratando a su mujer y a sus hijos.