A young cop (Sam) goes undercover and becomes part of Sasori Clan. A young leader (Yusuke) ascended the throne after the death of his father. Despite of being young, the uncles and cousins were interested to confiscated the position and planned to erase Yusuke out of the clan's history forever. 

The cop had to kept an eye on Yusuke 24/7 and at the same time witnessed the struggled of the young boss. He became the boss most trusted person after 6 months and gained his trust in everything. 

As days passed by, feelings changed and it's mutual from the both sides. But the cop's biggest secret was about to reveal.... Will the feelings remain the same?