The Woman of Shinjuku (2014)

In Tokyo's Golden Gai district, Kasumi runs a bar called "Redemption", living upstairs with her lover Gunji. One night, a woman named Toko visits the bar. Drinking too much, Toko ends up hooking up with a mysterious barfly. But she has a secret past with Kasumi's boyfriend Gunji. The hidden lives of four people gradually unfold.