My heart belongs to the other side.

Programmer Lu Yun is cruelly dumped by his materialistic girlfriend for his poverty. Coincidentally, heiress Shen Menghan, seeking to avoid an arranged marriage, leads to a whirlwind contract marriage between the two. Lu Yun, concealing his dual identities as a wealthy young master from Beijing's elite circle and a top hacker, quietly supports his wife's AI startup, thwarting various business conspiracies and schemes. His ex-girlfriend, upon learning his true identity, is filled with regret. Lu Yun investigates his past, reunites with his family, exposes all the behind-the-scenes schemes, and gradually develops a deep affection for Shen Menghan, achieving fulfillment in both his career and personal life, including family and career.