Heat Wave
Starring Kanako Higuchi, Tatsuya Nakadai, Keiko Oginome, Masahiro Motoki, Rino Katase, Naoto Takenaka, Takuzō Kawatani, Hakuryu, Hitomi Shimizu, Tsuyoshi Ujiki
It's a drama and crime movie, and has a rating of 6.5 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Italy.