Zheng Heyue is an illegitimate child who must remain unseen. She had lived a peaceful life with her mother when she was young. But everything changed on her 10th birthday when explosion took away all of her loved ones. But it wasn't an accident, it was murder! Determined to avenge her family, she hid her identity and adopts the name Jiang Qiutian. After enduring many years of hardship, she finally steps into the mansion where her mother's killer resides, and her long-awaited revenge is about to begin.