|Victor Huggo Martin||Carlos|
|Angélica Aragón||Carlos' mother|
A pair of neighboring Mexican couples have domestic lives that are far from blissful. Ana and Carlos struggle with his jealous temperament and her need for more physicality. Meanwhile, Miguel and Andrea have constant, heated arguments. When Ana's ex-boyfriend, Tomás, drops in on her and Carlos, and old flame Maria visits Miguel and his wife, fractures are created and tensions come to a head.