It looks much similar to V.I.P. Sun woo and Jung Sun become like detective who looking for her husband's cheat with someone. They check through their husband's phone too. They're much same but one thing V.I.P is much interesting when it happens to be someone who has been affair with Jung Sun's husband. Her husband cheated on her with another woman in same workplace where Jung Sun working at VIP. So it would escalate the climax!