Love in the world is often ridiculous: the person you love does not love you, and the person who loves you does not love you. Thousands of thoughts and obsessions, in the end, it all became a mirror.
An An and Ning Ning are cousins. Because their mothers are twin sisters, they look exactly the same, but have different personalities. An An is stubborn, willful, rebellious, and unruly, so she is destined to be emotionally frustrated and helpless; but Ning Ning, who is well-behaved, quiet, sensible, and considerate, also has troubles. The man she loves deeply has fallen madly in love with An An.