Chu Ningyue transmigrates into the body of an illegitimate daughter planted in the palace as a pawn, bound to a villain system that forces her to provoke the tyrant to buy herself another day of life. To fool everyone, she wraps herself in a shell of arrogance and cruelty, speaking sharp words while inwardly she yearns for the famously ruthless and suspicious emperor's beauty. What she does not know is that the man she calls "tyrant" can hear her every thought, and he is slowly discovering a truth that shakes both his throne and his heart.
Shen Dao, a quiet young woman struggling to pay for her younger brother's life-or-death surgery, signs a covert marriage contract that turns her into a replica of Song Ying, the girl who has lain in a coma for five years in Lu Jinheng's heart. After five years of caring for him down to every pill, she slowly loses herself, until news that Song Ying is about to wake brings a trap that drives her out of the house in the middle of a rainy night without a word of regret. By the time he uncovers the truth behind every scheme and the diary recording five years of silent devotion, she has already chosen an exit no one expected.
