Siren (2016)

Feeling excited about getting married, groom-to-be Jonah and his groomsmen depart for an epic bachelor party. However, as one thing leads to another, the four friends end up in a remote mansion which houses a private underground strip club for a select clientele with extreme tastes. And before long, Jonah sees first-hand the dark wonders of the secret nightclub as he finds enigmatic Lily singing a strange but entrancing song from the other side of the glass of his VIP room. Now, there is no turning back. But is beautiful Lily a victim or a predator? An angel or a demon?