If we remove all our natural impulses, how long do we have before our true personalities bite back?

Trapped inside a secure hospital after what may not be her first suicide attempt, Mya Dala’s only contact with the outside world is a TV screen. One day it starts to show videos of her sweet, gentle boyfriend Marco – hand-in-hand with her doppelgnger.

Convinced she has been replaced by a perfect clone, Mya plots how to get back to Marco with the help of a violently troubled inmate known as the Madboy.

But as she plans her escape, her memories of Marco become conflicted. Somewhere in the back of her mind, a long-forgotten version of Marco is emerging…Has his personality been replaced – or is this all in her head?

A clever speculative thriller for fans ofBlack Mirrorthat asks whether one day technology could perfect our brains, just as plastic surgery perfects our bodies. And whether we should let it…