There’s a proverb behind the title: When the forest is deep and dark, danger is bound to be hiding there. It can also mean that when things are unclear, trouble is sure to follow.
If I want to have you completely, maybe the only way is to kill you.
After his only guardian, his father, suddenly dies in childhood, young Jaeha comes under the care of his grandfather, Chairman Hyeon Hongwon, and Taeseong is put in charge of looking after him.
But after the chairman dies, Tae-seong tries to eliminate Jaeha under orders from his boss, Jang Hyeokjin. Jaeha disappears with his fate unknown, only to reappear in front of him three years later.
What exactly is Jaeha after?