The psychological thriller concludes with the unhealthy, co-dependent relationship between dominatrix Rebecca and her submissive client Hal taking a darker turn. When Rebecca’s actual boyfriend returns, a jealous Hal accidentally kills him, believing he is protecting Rebecca. In the end, Rebecca embraces fully manipulating Hal, making it clear she is in control now in their warped bond. The ending implies Hal and Rebecca will stay together, united by their dysfunctional need for one another despite the violence and deception. Rebecca maintains power over the weaker, obsessed Hal, who finds purpose in pleasing her at any cost. Their toxic, imbalanced romance that developed from a professional arrangement thrives in secrecy after covering up a murder. The conclusion provides some closure but an ambiguous future for the troubled couple, bound by shared guilt and emotional damage that first drew them together.