His arrogant and stern face hides a fiery heart. Although he is taciturn and seemingly cold, he shields her from the wind and rain in the dark and devotes himself to her. And she is cunning and intelligent, and does not hesitate to use all her skills to achieve her goals. She regards him as a key piece in the chess game. With her full of tricks, she skillfully maneuvers in the entanglement of love and interests. When the curtain of the truth slowly opens...