Years ago, Yeung Bik-sum (Kara Wai), who suffered from schizophrenia, almost killed her son, Ip King-fung (Vincent Wong), and her daughter, Ip Long-ching (Joey Thye). This caused King-fung to suffer from Dissociative Identity Disorder. His split personality, Chu Kei (Vincent Wong), studied hard to be a handwriting expert and criminal profiler, who helps King-fung, an undercover agent, to uproot a criminal organisation.
美國地區
