Proof of the Man 2017 one on netflix

In Tokyo, 1974, a young African American is found dead in a lift. A knife is stuck deep into his chest and a streak of tear is running down his cheek. A policeman, Munesue starts to investigate the case. On the same day, there is a grand reception party held on the top floor by Kyoko, a popular beautician adored by everyone as an ideal wife and mother. The investigation reveals the victim was raised in a ghetto in NY, was able to speak a little Japanese, and his dying words was “su to u ha.” Startling connection between him and Kyoko is to be revealed…