The lives of 6 people become entangled in ill-fated relationships.A man witnesses a mysterious accident and makes an irreversible deal.Ju Yeon, a surgeon, lives with trauma that occurred in her childhood. She runs into the person who is responsible for her trauma.A man wanted to make a large amount of money to change his life. He resorted to borrowing from loan sharks to invest in cryptocurrency, but his investment collapsed.Gil Ryong unfairly loses his job and is then asked to do something involving a large sum of money.A bespectacled man runs a successful private clinic in Gangnam. He has a girlfriend, Yu Jeong, who is dangerously charming.(Source: AsianWiki)~~ Adapted from the webtoon "Akyeon" (악연) by Choi Hee Sun (최희선).