Su Jinghong stirs up the capital with the public opinion generated by popular storybooks, seeking a chance to overturn the verdict in the Su family's old case. While secretly visiting a prince's residence at night, she unexpectedly crosses paths with Regent Prince Xie Lin. The two sign an alliance based solely on mutual benefit, with no personal feelings involved, and agree to exchange intelligence. Su Jinghong uses public opinion to strike at the Meng family, only to be framed and besieged by Meng Yuyao. Through clever planning, she resolves the crisis. After jealousy at an elegant banquet and misunderstandings caused by rumors, the two grow distant. But after sharing their pain beneath the moonlight, their relationship begins to warm again. Xie Lin repeatedly risks his life in secret to protect Jinghong Pavilion without seeking recognition. When Su Jinghong learns the truth, her frozen heart gradually begins to thaw, and feelings quietly take root.