The Graft by Martina Cole

Looking back, Nick Leary couldn't say exactly what kept him awake that night. He'd had a lot on his mind; perhaps he'd been thinking about the 'respectable' Essex business that he ran, or about his two young sons sleeping in the room next door. Or was it simply the sound of his beautiful wife's steady breathing beside him . . . Whatever it was, he was awake when he heard someone's footsteps downstairs, and Nick's instinct was to fight. It had always been that way, to protect the things he treasured most: his family, his privacy, his reputation. He'd grafted for these things all his life and no one was going to jeopardise them now. Unless, of course, Nick's instinct is wrong, and what happens this time is the start of something even he cannot stop . . .