आई वांट यू बैक

Noah breaks up with Emma after 18 months together and Anne breaks up with Peter after 6 years. Both Noah and Anne have found new SOs. Emma, a receptionist on 14th floor, and Peter, a VP on 11th floor, find each other sobbing in the stairwell. They support each other and end forming an alliance to destroy each others exes' new relationships. They cyber stalk the exes and Peter gets close to Noah while Emma gets close to Anne's new boyfriend.