PlotHigh school student Sohee starts job training at a call center, but she faces pressure of greedy company which leads to her death. Detective Oh Yu-jin, who has something in common with Sohee starts to follow traces to reveal the truth. RATING 7.2 933 Votes GENREDrama, Thriller STARSKim Si-Eun, Bae Doona, Hee-jin Choi