Seo Jung Hoo is so-called "errand boy". For a relevant price he may complete any task, only if it's not connected with murder. Under Healer's mask he had run foul of some organizations that now strive to catch him, however no one knows who he really is. He can count on older woman's help, genius hacker responsible for the technical part of their job. One of his tasks is closely connected to one girl, Chae Yeong Shin, second rate tabloid reporter. She starts to have an interest about Healer when he tries to get close to her, which results in the discovery of their common past.