All God's Creatures (2011) on Netflix

Plot summary

Jon works the counter of a New York coffee shop, and at night he kills women. Delia has just moved to the city and works as an escort through an online ad, putting money aside so her younger sister, Lydia, can come live with her. She walks into the shop, flirts with him, and he begins to picture her as his next target. She asks him out, they drink at a bar, where she says her parents are dead and he mentions how tidy he is. Outside his building she asks to come up and he finds excuses. She takes his number, and he invites her to the movies and then to dinner at his apartment.