María José and Alfredo are about to celebrate their 20th anniversary and their children give them a trip to the hotel where they celebrated their honeymoon, but a spell will make them repeat the same day.

Pedro is a single man in his forties who likes to party, has no children and lives at night. Everything changes when he meets Alin. She mentions to him that she is looking for her dad and that there is a high probability that it is him.

Horrified by the new girlfriends of their respective sons, three sisters-in-law – Clara, a socialite, Matis, a widowed professional, and Nena, a naive housewife – make an alliance to get rid of their undesirable daughters-in-law.