Liu Zi Guang (William Chan) returns to his hometown after an accident that erased his memory of the past eight years. With his father hospitalized after a mysterious attack, he begins investigating the incident. During his inquiries, he encounters Hu Rong (Sandra Ma), the lead police investigator. Initially at odds, they gradually develop romantic feelings while uncovering a dangerous criminal conspiracy involving a powerful crime boss. This 2018 Viki Original Chinese drama, based on a hit novel by Xiao Qi Xiao, was directed by Liu Xin.