Everyone gets shocked by the kidnapping of Jun Yeong, Cha Seo Young's son. The police do everything in their power to track and arrest their prime suspect, Kim Seok Pil. Meanwhile, Soo Hyun believes there is more to be found in the huge shadow cast behind the incident. After proposing a deal with Seo Young, Soo Hyun starts to retrace the kidnapping from the beginning. However, evidence surfaces from an unexpected place.
A terrible child kidnapping incident takes place in a mansion complex, where only the top 1% of the most luxurious population reside. With no time to be shocked, the child returns dead and the killer is unknown. However, this incident was just the start of a tragedy. While the crowd is hiding the truth, there are some who start to reveal the twisted hypocrisy and ugly secret inside the mansion.
