Hana-bi (1997)

Nishi is a cop whose wife is slowly dying of Leukemia. One of his partners gets shot on the job and is confined to a wheel chair for the rest of his life and becomes suicidal. Nishi, feeling guilt over his partners accident, tries to help him in any way he can. At the same time, Nishi leaves the police force to spend more time with his dying wife. However, in order to do the right things for those he loves, Nishi must do wrong things. Spiraling deeper into desperation and slowly building up to tragedy.