Kang San-Hyeok is a member of the 119 special rescue team. He is handsome and smart, but he does not remember his childhood. Jung Young-Jae is an enthusiastic surgical resident. Kang San-Hyeok and Jung Young-Jae meet at a mysterious forest. Even though they do not want to, they must live together in the mysterious forest. Living there, they discover small pleasures. Kang San-Hyeok and Jung Young-Jae soon uncover a secret about themselves and the forest.

Park Hae-jin, Jo Bo-ah, Jeong Yeon-joo, No Gwang-Sik, Ryu Seung-su, Lee Do-gyeong, Lee Si-hoon, Woo Jung-kook, Ahn Sang-woo, Koh Soo-hee, Geum Gwang-san