In a world that is changing, humans no longer are safe. Downworlders are multiplying a lot and the Shadowhunters have their hands full on the demons. Taekwoon is one of those normal humans, or so he thinks. Taekwoon never has been exposed to anything of the Downworld or the Shadowhunters and tries to stay inside whenever it gets dangerous outside. But when one demon manages to make it inside Taekwoon's house, he protects himself with someone he never thought that he possessed...magic. After Taekwoon kills the demon, his mind is in complete chaos. What happened and why did he possess magic? That's when someone steps in to help Taekwoon out and offers Taekwoon to move in with him, so that he can help Taekwoon to develop the side he never knew he had. And it also doesn't take long before Taekwoon falls head over heels in love with Hakyeon, the warlock who took him in.