Whose life do you want?

Elena and her partner Adam are house-sitting in Wimbledon and find themselves instantly seduced by their upscale surroundings and their enigmatic new neighbours Sophia and Finn.

When Sophia proposes a wicked game to Elena whereby they will swap partners in secret, it's not long before Elena starts to experience a sexual awakening that blossoms into an illicit love affair.

But Sophia's plans are far more complex and dangerous than Elena could ever have imagined...

How far will she go to fulfil her desires?