In a cutthroat legal world where truth and justice fight a constant battle, Jack Roper (John Hannah) is used to relying on his wits to win cases. But when he turns down a lucrative job offer from his mentor to strike out on his own, he not only risks their friendship but also his career.

Set in two rival barristers' chambers in the heart of Manchester, New Street Law follows Jack and his newly established firm as they pull out all the stops to prove their client's innocence.