Orphaned Luo Xiyun was born with a fatal poison. She becomes a popular surveyor in Cang Yue and with limited time left, she seeks to avenge her family by targeting the young city master, Jiang Chaoxi. As she navigates her mission, she also works to save her last refuge, Jianjia Lane, from demolition. During her efforts, she uncovers surprising secrets and faces new challenges as her situation evolves.