When an old collaborator gets severely injured, a veteran policeman tries to figure out the way to bring to justice the ultimately suspected aggressor, a spoiled young executive, heir to a mega corporation, who believes he is above the law.

When a woman dies after a mistake by personalities in the afterlife, she needs to exist as a different woman for a while.

Former child actress Seo-yeon, flight attendant Hee-joo, fund manager Ga-hee, and director of a children's theater company Bo-yeong. All four friends who are 29 years old and have been friends for 10 years have trouble dating. Seo-yeon's boyfriend has zero empathy, can only say continuously that good things will happen! Hee-joo's boyfriend has been taking the civil service exam for more than 10 years. Ga-hee's boyfriend never said he loves her, whether she's cool or crazy, and Bo-yeong is betrayed by a junior troupe member who is in a secret relationship. Twenty-nine, the end of youth? No, it's a new start! Good things will happen if I don't meet you!

Ayoung is a young woman living a less-than-humble life working as an assistant at a dermatology clinic. Although Ayoung barely makes ends meet on a miserable salary earned by popping pimples, she has a secret.