Ling Tian, the leader of the Dark Vein organization, disguises himself as a plumber to track down a traitor, but ends up spending a passionate night with Liu Qianru, a beautiful and powerful female CEO. Six years later, Liu Qianru shows up with their adorable child and asks Ling Tian to marry her. Only after their wedding does Ling Tian discover that behind the glamorous appearance of this female CEO lies a life full of hardship and heartbreak. After marriage, Ling Tian begins protecting his wife and daughter, determined to give them the best life possible!