Liam pretends to be an ordinary security guard, yet he is the supreme leader of top organization The Kingsmen. He left after a one‑night stand with Vera and reunites with her because of their daughter Ellie. Vera enters a contract marriage with him to save her group. Suffering constant plots from enemies, Liam protects his family in secret. He reveals his true identity at the banquet, kills his sister’s murderer, crushes evil forces and gains a happy ending with his wife and daughter.