Paqui te invita a merendar (2006)

Paqui is a 40-year-old really tired housewive. She's got to see how his husband goes to have fun with another women, and - she's tired of having horns. One day, she discovers that the last lover of her husband is Blanca, her neighbour. Paqui, with the help of her daughter, Tamara, plans a "breakfast" with second intentions.