Lin Qian is a guardian of the rifts in time and space. One day, she discovers that Rong Yi's life trajectory is unlike anyone else's, and that it all stems from his younger sister. To keep the flow of time and space on track, she transmigrates into his sister and arrives at the wealthy Lin household, where cruelty lurks beneath the surface. On the day of the adoption, she insists on choosing the frail, taciturn Rong Yi, determined to uncover the secret behind his disruption of time and space. And so their intertwined fates begin...
