Detective Story (1983)

Detective Story 1983 / 探偵物語 1983 / Tantei monogatari , Story of the Detective

Naomi is a university student who is leaving for the US to study in a week; Shuichi is a washed-up gumshoe who's hired by Naomi's father to bodyguard his daughter until she leaves. Shuichi finds the job annoying and wants to quit. But he also has a screwed-up ex and alimony to pay. Things go from bad to worse when Naomi and Shuichi stumble upon a murder that might involve the yakuza. They decide to find out who committed the murder, but God knows what it will lead to. (Source: IMDb)