The Responder

BBC1, 9pm The gripping drama set on the nocturnal streets of Liverpool continues.Chris(MartinFreeman) is heading for trouble. He's been backed into a corner by his 'friend' Carl, who will hurt

Chris's family if he doesn't find the heroin addict who crossed him. Meanwhile, new colleague Rachel becomes increasingly wary of Chris's activities – until he proves his worth in dramatic fashion. ★★★★★