Clay, a successful but troubled black businessman, attends therapy sessions with his wife, Kaya, in an attempt to salvage their marriage. But their mysterious therapist is not all that he seems, and begins to unexpectedly appear to Clay outside of their sessions. On a New York subway train, Clay encounters Lula, a seductive but sinister white stranger who slowly begins to unravel his life. Clay must discover the truth behind this encounter to get back to his wife, heal his fractured soul, and survive the night.