Li Dajiang, the renowned Dark Night Financial Emperor, retired 20 years ago due to his youngest son's mental disability. During his retirement, he raised his eldest daughter to become the CEO of a Fortune 500 company and his second son to become a war hero. While living in the countryside with his disabled son, he rescues a girl named Fan Yulan from thugs. Out of gratitude, Fan's family arranges her marriage to Li. Li secretly helps the Fan family become wealthy. However, the now-rich Fan family, unaware of Li's help, believes he's no longer worthy of Yulan. Influenced by her friend who married a rich city man, Yulan feels trapped and begins an affair with a wealthy young man named Qin, planning to divorce Li. When Li's disabled son accidentally discovers the affair, Qin kills him to keep it secret, hiding the body in the rafters of a courtyard. Ironically, this same courtyard hosts Li's 60th birthday celebration, where his powerful children search for the missing son. Meanwhile, Yulan brings Qin to the party, intending to confront Li for a divorce. A thrilling drama of divorce proceedings and murder investigation unfolds...