Louise and Her Lover (2011)

Lilly is a wanna-be model who meets and falls in love with Johanna, a professional artist painter. Johanna's live-in life partner, Louise, wants to bring other people into their sex life and they invite Lilly into their bed as a one-night-stand. Lilly's jealousy and obsession with Johanna becomes more blurred and dangerously on the edge of sanity which may cause trouble for everyone.