The Sweet Stand-In Bride Becomes the Apple of Young Master Gu's Eye

She takes her older sister's place and marries the paralyzed second young master of the Gu family, a man rumored to be impotent. But after marrying into the family, she becomes everyone's darling.

The whole city knows she's the apple of the second young master's eye.

And the second young master of the Gu family is nothing like the man in the rumors. She can't help saying she's struck gold, while he thinks he's clearly the one who hit the jackpot.