Cinderella at 2AM Synopsis: Yoon-seo realises that before she can be honest about her relationship with Ju-won, there's something she needs to address first. Aware that the result might not be favourable, she decides to handle the situation on her own without involving Ju-won. Meanwhile, Si-won and Mi-jin are enjoying a wonderful night out together, but what starts as a moment of sincere honesty unexpectedly turns awkward.