Half spy caper, half relationship drama, big chunks of this four-parter feel like they belong to another show entirely. It barely has enough energy for the MI5-based parts Half spy caper, half relationship drama, big chunks of this four-parter feel like they belong to another show entirely. It barely has enough energy for the MI5-based parts J ohn Hughes (Shaun Evans) has been a spy for 20 years, but a life of enviable glamour still eludes him. Within minutes of him being introduced to us, he