For Hire

13 sons of rich businessmen gather in one place to secure their safety and are under Mr. Lee Byung Hun's agents. Adding Seungcheol's fiancee, Seojae, which Minggyu found suspicious because of her mysterious profile and actions.

Mr. Lee's company specializes in training and sending agents to missions, either as bodyguards or to top-secret missions, agents at first vary by batch but soon the ranking system changed. They will be divided through so that it will be easy for them to assign missions. X outstands and she is the whole package and a threat to Mr. Lee's position.