Detective Zero (mini)

Rekihiko Tokiya is an excellent detective in Kyoto. While he chases a suspect, Rekihiko falls into a water storage pool at an abandoned factory. He wakes up in a hospital room and is stunned that he cannot remember anything from the past 20 years. He is 51 years old, but he cannot remember anything from the age of 31 when he started work as a detective. He is a divorcee, but he has does not remember his ex-wife. Rekihiko's personality also changes. He was once a confident person, but he is now timid and lacks confidence. His sense of justice is still strong. Rekihiko resumes work as a detective, but he deals with cases differently than in the past. - IMDb