High school sweethearts Jung-woo and Soo-yeon were separated in a horrifying tragedy that continues to weigh down on them as adults. Now a guilt-ridden detective, Jung-woo has been desperately searching for Soo-yeon for years, but when he crosses paths with her again, she has already become someone else with a new identity.
Park Yoo-chun
Yoon Eun-hye
Yoo Seung-ho
Yeo Jin-goo
Kim So-hyun
Ahn Do-gyu
Han Jin-hee
Jang Mi-Inae
Do Ji-won
Lee Se-young
Min Sung-wook
Cha Hwa-yeon
Song Ok-suk
Kim Mi-kyeong