Newlyweds Oscar and Karla want to spend their honeymoon at home. Upon arrival to their apartment, Karla suddenly decides to take a trip, and he discovers by chance that his ex-girlfriend lives in the same building.
Ruth, a young researcher at a college, is invited to the weddings of three of her exes. She enlists the help of her assistant to find a companion for each wedding; will one of them turn out to be her soulmate?