Lin Yumeng stands up for her friend who has been deceived by her playboy boyfriend. The confrontation escalates from a war of words to a full-blown physical fight. As a martial arts descendent, Lin Yumeng, in the midst of a quibble, "accidentally" damages a luxury car, leading to an absurd situation where she is unable to compensate the whimsical owner, Ji Lingsu. He insists that she sign a contract to settle the debt! After marriage, Lin Yumeng's life undergoes a drastic transformation. She is subjected to various arrangements and "bullying" by Ji Dashao. As she delves deeper into the understanding of the Ji family, Lin Yumeng starts to sympathize with her contractual husband. She actively disrupts the stepmother's conspiracy and secures her biological mother's shares. In the process, she inadvertently "loses" her own heart. What was initially just a "contract marriage" turns into a genuine connection between the male and female protagonists. Oh well, since it's a beautiful mistake, might as well go all the way with it!...

This drama tells the story of Shen Xingchen, who wakes up after a car accident to find his soul in the body of his twin brother, He Yuchuan, three years into the future. Assuming a false identity, he faces countless tests from his former lover, Jiang Muyi, and eventually joins forces with her to uncover the truth behind the accident, expose the conspiracy behind it, and ultimately embrace a new beginning in their love story....