仁爱（李诗英 饰）是一名全职保镖，因卷入过度的警卫争议而锒铛入狱，出狱后梦想着和妹妹恩惠（朴世婉 饰）过平凡的生活，结果妹妹却突然失踪了。学校和警察都不帮忙，仁爱只能自己寻找妹妹。
Lee Si-young
In-ae
Park Se-wan
Eun-hye
Lee Jun-hyuk
Han Jeong-woo
Choi Jin-ho
Park Yeong-choon
Lee Hyeong-cheol
Ha Sang-man
Kim Won-hae
Boss Jeong
Ku Hye-ryeong
Supermarket Woman
Kim Ki-moo
Studio
Yoon Song-ah
Massage parlor worker
Kim Jung-pal
Car center
Ahn Se-ha
Loan company employee
Lee Ja-eun
Ha Sang-man's wife
Lim Yong-soon
Commissioner General
Seol Jung-hwan
Ji-cheol
