After her rebirth, Shen Qinghuan starts her grand revenge plan with memories of her past life, using careful layouts to make the second prince and her younger sister trap themselves, while also working hard to win the trust of Crown Prince Xiao Youan. Amid intense palace struggles, the two join hands to face challenges from all sides, resolving crises time and again with wisdom and courage, and their affection warms up in the process. In the end, Shen Qinghuan succeeds in her revenge and reaps sweet love with Xiao Youan.