What would you do if you suspected your fiancé of cheating? Gadis discovers clues that her fiance, Igor, might be cheating on her, so she decides to investigate on her own in Jakarta. Unfortunately, things go wrong, and she ends up meeting and even asking for help from someone she knew before named Luki. The problem is, she had promised herself that she would never have anything to do with Luki again, because Luki was...her ex-FWB!