The surprise reappearance of her ex-girlfriend forces a woman to re-examine what it means to be happy.

Yu Xiang proposed to Chen You Lan in a rigged game of truth or dare. But, the surprise is ruined by the shocking reappearance of Lan's ex-girlfriend. Lan, caught between her bewildered boyfriend and jealous ex-girlfriend, she is forced to re-examine what it means to be happy.