He Jiyang is a member of Forseti, a secret mercenary organization of Balder, a secret organization of the world government that represents justice. Before she met Zheng Owei, the leader who represents the dark power behind the banner of justice, she had always been enamored with her leader, the pride of heaven, Wong Weiyang.
A few years ago, during a transaction, Zheng Onwei accidentally heard about the little mercenary who ran rampant and sabotaged his plans, and then he became very interested in her. However, this further aggravated the discord between him and his half-brother, Gong Weiyang. But how can he formally approach her? In a rare opportunity, Zheng Onwei sold Gong Weiyang a favor, and the condition was that he and Ji Yang would be his maids for half a year. Gong Weiyang was reluctant in every possible way, but still agreed. She originally thought that she could capture He Ji Yang's heart within six months, but all good things took a long way, and an even more troublesome dark manipulator was behind the scenes, extending a black hand against He Ji Yang...