The youngest daughter of the Xu family, Xu Zhiwei, is regarded by the entire city as a "little fool," yet when the family's new energy industry faces Ji Chengyue's sniper attack, she reveals astonishing business talent relying on memories of her past life's ups and downs in the business world. She refuses a sixty billion buyout, sees through a ten billion order trap, shatters a share usurpation conspiracy, and step by step pulls the Xu family out of the quagmire. Her two older brothers go from questioning to full support, and her father also learns to respect her choices. Having undergone the baptism of business warfare, Xu Zhiwei finds herself again in familial affection, and ultimately puts down the Rubik's cube.