But at what cost does this training and lifestyle come? Shoshanna lives by a mistrustful and obsessive set of behaviours – ones drilled into her to keep her safe. She has very few, if no real friends. Her relationships are at arm’s length. She roils alone in an unhealthy place mentally. Yet, we feel for her, come to realise the struggles that covert soldiers must face within their psyches, which are then expressed back out towards the world. It is this … sympathy that causes the ending to be so effective, so haunting.