Three siblings, exhausted by the monotony of day-to-day adulthood, seek to find fulfillment and freedom from their unremarkable lives.
A romance thriller between four men and women running like a runaway locomotive toward different desires, including success, revenge, children and love. Lee Sun Woo, is a photographer and editor in magazine. He keeps a burning ambition and heartfelt desire for revenge hidden behind his warm exterior. Han Chae Rin is the CEO of a cosmetics company. She is greedy and ambitious despite her success. Park Da Som is a rising actress. She does anything for success. At the same time, she struggles to protect her son who has a rare disease. She’s internally struggling between motherhood and success, and despite her cold exterior, she truly loves her ill son. Hyun Seung Hoon, Park Da Som’s husband is an aspiring model. His life goals are: overcome poverty and failures. He dreams of succeeding in life.
After Seon-yoo's father committed suicide leaving behind a large sum of debt for them, Mother and 12-year-old Seon-yoo move to a new place to have new start.
Kim Ro-sa is a South Korean actress.