Hyun-soo is a skillful individual stock investor, so-called ‘ant’. One day, he cashes in up seventy thousand dollars through stock trading and this jackpot gets him implicated in a $60 million stock manipulation by scam artists from various fields. With a huge pot of money before their eyes, the scam seems to be perfectly unfolding. But another scam is emerging underneath team as the scammers chase each other and are being chased at the end.

Soo-Jung (Lee Seung-Yeon) has a bright and honest personality. She is loved by many people. Soo-Jung works as a magazine photographer. When Soo-Jung gets tired of work and life in general, she goes to her friend Young-Ha's (Park Yong-Ha) workroom. Although she always shows others her bright side, she confides to Young-Ha about her sadness and loneliness. Yong-Ha wants to embrace her pain, but there is a wall between them. Soo-Jung again faces a difficult situation. She then meets Ji-Hwan (Lee Kyoung-Young).