The mysterious and unsolved “Snowman” murder case rattles the city, with the killer taunting the Police with notes saying “Come to catch me” at the crime scenes. With a last hope of breaking the case, the chief calls back the dismissed and rogue detective, Liang Yan. While the local public defender, Yu Guo, has chance reencounter with his high school love, Hui-ru Zhu, as she gets embroiled in a homicide case. (thetvdb.com)