The story of a mother who died and begins a 49-day long project of reincarnation, and a husband who has barely begun to live a new life after overcoming the pain of losing his wife. Jo Kang Hwa is a skilled thoracic surgeon. After losing his wife four years ago, he had been working as a single father until he got married again two years ago. While he seems like a caring person, he does not offer a hand nor intervene when needed.

Kim Tae-hee, Lee Kyoo-hyung, Go Bo-gyeol, Shin Dong-mi, Seo Woo-jin, Lee Si-woo, Oh Eui-sik, Ahn Nae-sang, Kim Mi-kyeong, Park Soo-young, Kim Mi-su, Yoon Sa-bong, Ban Hyo-jung, Bae Hae-seon, Park Eun-hye, Kim Dae-gon, Han In-soo, Kang Yeon-jung