After the death of their father, an important playwright, Laura, Helena e Catarina, occupy the old family house. While they have to face some domestic memories and deal with a lot of unwanted heritage, they discover that their father had a illegitimate daughter. In the outskirts of the city, Ana is a low middle class worker and a recent mother going through a process of separation. She falls into an identity crisis when she learns that she was born from an unkown man instead of her foster dad. The four sisters try to get closer. But the differences of social background raise like a trench between them.