Hal attempts to end his secret relationship with dominatrix Rebecca. A battle of wills ensues over the course of one incredibly fraught night, with both struggling to keep the upper hand as the power dynamics swing wildly back and forth.
Undine works as a historian lecturing on Berlin's urban development. But when the man she loves leaves her, the ancient myth catches up with her. Undine has to kill the man who betrays her and return to the water.