The Mimic is centred around Martin Hurdle (Terry Mynott), a seemingly unremarkable maintenance man who in fact conceals an exceptional talent... an uncanny ability to mimic voices. Labouring without prospects at a large pharmaceutical company, Martin's options appear bleak. His one true friend in life is a girl called Jean (Jo Hartley) who, despite having the best intentions for Martin, is also his live-in landlord. The only other 'friend' Martin can really boast of is Neil (Neil Maskell), a newsagent petrified by the news. Now, in a huge revelation by a former lover, Martin is about to discover that he could be the father of an eighteen-year-old son called Steven (Jacob Anderson). With their first meeting on the horizon, is this the news that will finally prompt Martin to escape his prolonged adolescence? And if it is, just how will he use his voices to cope with this life-changing development?