Jenny and Pippa are identical twins. Like many twins they often know what the other is thinking. They complete each other's sentences. They complete each other. Working as an English teacher in Argentina, Jenny is a lost soul. She has her English friends but they seem to be reinventing themselves, keeping secrets. Jenny is sexually promiscuous and forms an inappropriate relationship with her therapist. It seems that the root of her problem is a traumatic breakup with a boyfriend in London which coincided with Pippa failing to board a flight from Argentina to Gatwick. She became one of the Argentinian 'disappeared', leaving Jenny bewildered as to what happened to her twin. Is she still alive? As the story of the twins unfolds, lies are peeled away to reveal unpalatable truths -