Kim Young Ho is a personal trainer to Hollywood stars. His family is wealthy; he suffered an injury as a child but has now overcome his difficulties through patience and determination. Kang Joo Eun is a 33-year-old lawyer who has supported her family through her work. She is now overweight and doesn’t find herself attractive. Joo Eun and Young Ho were friends when they were teenagers. They meet again as adults, decide to go on a diet, and fall in love.