For perfect couple Jen and Liam, there was only ever one option for their child: the perfect insurance policy.

The ultimate safety net should anything happen to their son Josh, provided by Future Medical Advancements Ltd., gave them both peace of mind.

The cloning, or ‘twinning’ process, offered by the cutting-edge medical company seemed the ideal solution… until Josh’s behaviour started taking a turn for the worse.

Josh insists his imaginary friend is behind it all, but is there a more sinister connection with his twin than meets the eye?

As Josh’s behaviour spirals out of control, Jen and Liam struggle to find a way to stop the horrifying events unfolding before their eyes and devastating their lives.