The story centers around Yara Lin. When she was a child, she witnessed her adoptive father Jimmy Lin killing the entire family of her biological father Quincy Ye to steal medical patents. She was adopted by Jimmy Lin. On the surface, she was the wild and unrestrained eldest daughter of the Lin family, but in reality, she was secretly gathering evidence for revenge. She unexpectedly met Mark Bai, the richest man in Maple City. Mark Bai was also investigating the truth behind the death of his sister Mary Bai. The two discovered that Jimmy Lin and his backer George Chen were common enemies. From mutual probing and exploitation to gradual trust and cooperation, they eventually joined forces to thwart the conspiracy of Jimmy Lin and George Chen at the board meeting, avenging their respective families, and developed sincere feelings in the process.
