They are completely different, each with their own problems and joys. Ksyusha’s only joy is her dogs. Polina was cheated on by her beloved husband. Irina, a smart girl, an exemplary mother and wife, fell in love with a playboy. But one day the paths of three fat women cross in an amazing house, rightfully earning the nickname Sanatorium for Lovers. From now on, their common passion is raising the child prodigy Leva, a pack of dogs, and fighting excess weight. Three women are transformed in a fabulous way, but this is not the last surprise that their fourth friend, fate, has prepared for them...