Luke Moore, a business prodigy, made a name for himself when he was 18 years old and returned to his country, founding Moor Corp at the age of 21. However, after being betrayed by his family, he conceals his identity and works as a food delivery rider. When he learns that his girlfriend has cheated on him, he finds himself being pursued. Fortunately, Lena King, someone he met during his childhood, rescues him. Because of the promise they made when they were young, she pressures him to marry her. With Lena's protection and companionship, Luke gradually leaves the past behind and embraces the future with her.
The youngest female investor on Finance District refuses an arranged marriage with the Golden family. After a drunken night and being drugged, she's saved by her secret admirer and actual fiance, Keir Golden. He pretends to be a poor sugar baby, letting Clara "keep" him. A year later, when family business troubles force Clara to accept the arranged marriage, she tries to break it off with Keir, only to discover her sugar baby is actually her powerful fiance who saves her from the scheming McDowell family.
Jimmy Fischer dies tragically, only to be reborn in the 1980s. Haunted by his past life's sins, he embarks on a path of ruthless vengeance. Starting from a small factory, he relentlessly battles foreign enterprises, gradually reclaiming territories from business tycoons. Climbing his way into high society, he builds a massive commercial empire, ultimately fulfilling the promise he made to his wife in his previous life.