My sister protected me, and I went from being a pauper to becoming the richest man.

Heartbroken and burdened by debt, Lin Yun falls into a slump. When his long-lost father is found, he activates his emotional growth system, acquiring skills in design, networking, medicine, and business planning. He meets four women from different industries, who initially harbor reservations and test him. Lin Yun uses his exceptional abilities to solve their career difficulties one by one, dispelling their prejudices. He warmly helps a neighbor who is abusing his family and treats seriously ill actress Liu Yufei, with whom he develops feelings. Facing malicious attacks from rivals, he uses professional methods to legally resolve the situation, remaining humble and gentle. The siblings gradually open up to each other, supporting one another through numerous challenges, and Lin Yun simultaneously gains fulfilling family bonds and genuine love.