Jill gives David a chance to admit if he has another woman, but he denies it and assures that she is the only woman for him. However, during a get-together dinner with Carol and Charlie, Jill notices an item that raises her suspicions once again.

Upon confirming her suspicion, Jill instructs Diane to uncover the identity of David's mistress. Despite her painful discovery, Jill puts on an oblivious facade for Gio's sake and decides to push through with her unfaithful husband's surprise party.