Jina is the top employee at a credit card company call center. She avoids building close relationships, choosing instead to live and work alone – until she is suddenly tasked with training a new recruit.

A fateful accident intertwines six lives in a thrilling tale of karma and crime, where each must face their own dark truths and connections.

The ambitious success stories of 6 people surrounding Prince Lee Bang Won, and the ideological and political conflict between Prince Lee Bang Won and Jung Do Jeon, the man instrumental in helping King Taejo establish the fledgling Joseon nation.

In a 21st-century constitutional monarchy, a woman who has everything but remains a commoner crosses paths with a prince who, despite his royal lineage, feels powerless—leading to a love that defies social status.