A man witnesses an accident and makes a life-altering deal. Ju Yeon, a surgeon haunted by childhood trauma, encounters the person responsible for it. A man, desperate to change his life, loses everything after borrowing from loan sharks to invest in cryptocurrency. Gil Ryong, unfairly fired, is forced into a dangerous situation involving money. Meanwhile, a bespectacled man runs a successful private clinic in Gangnam, with a dangerously alluring girlfriend, Yu Jeong.