Her love was nothing more than a wager! Emma, a seemingly ordinary girl, and her devoted boyfriend Matthew have been working themselves to the bone, struggling to pay off an enormous debt. But one fateful day, Emma uncovers a heart-wrenching truth—Matthew isn't the man she thought he was. He's actually a powerful heir to a wealthy empire, with a fiancée from an ancient family lineage. Worse still, his relationship with Emma was nothing more than a wager—a cruel game！ Emma wants to end the relationship, but Matthew refuses to let her go, and his fiancée from the prestigious family, hates her with a passion and does everything to suppress her. As Emma struggles to survive, she is revealed to be the true heir of the ancient family, and Matthew is the man chosen for her by the family! Now, it’s Emma's turn to play the game in this contract marriage!