I Married a Secret Billionaire (English-dubbed)

After catching her boyfriend cheating with his boss, Sydney is devastated. Drunk and heartbroken, she accidentally runs into Evan, Riverton's richest man, outside a bar. The two had briefly met in prison six months earlier. On impulse, Sydney proposes a flash marriage, and Evan surprisingly agrees. After the wedding, her life suddenly turns around, leaving her cheating ex furious, while Sydney slowly discovers her new husband is far more powerful than she ever imagined.