Eighteen-year-old Park Joo-wan is illegally confined to a psychiatric hospital by his own family. This hospital is a hellish place, unbearable even for the sanest of people. His attending physician is a man who profits by smuggling patients, abandoned by their guardians, out of the hospital for his own benefit. One day, Park Joo-wan, whose blood type is RH-AB, catches his attention.... more>>

Meanwhile, Kwon Soo-hyuk, living a dangerous life where he never knows when or where he might be stabbed, orders live blood bags for the sake of maintaining a steady blood supply. With the same blood type as Park Joo-wan, he brings him out into the world as a commodity.

However, escaping after ten years of captivity is not as joyous as it seems, especially with the dangerous coexistence with Kwon Soo-hyuk, who keeps a wild jaguar as a pet. To make matters worse, Park Joo-wan’s brother and enemy, Woo Hyung-seok, begins searching for him… <<less