Gilly comes out of prison after serving a six year stretch and decides that he will now turn his life around and go straight. But when he returns to his South London home and visits his old colleague J, in hope of obtaining his share of the proceeds from the job that landed him inside, J soon talks him into getting involved in one last scam.

Set amongst the backdrop of the towering, concrete-clad estates of south London ‘Zebra Crossings’ blends a diverse mixture of characters that all share one thing in common: The incredible loneliness of living alongside 7 million other people.

When 10-year-old Willie is evacuated from the East End of London, he is chosen by Zander, 13-year-old son of an army captain, to be his companion in a rambling country house.

At the dawn of the 20th century, following their father's arrest on suspicion of betraying state secrets, the three Waterbury children—Bobbie, Phyllis and Peter—move with their mother to Yorkshire, where they find themselves involved in unexpected dramas along the railway by their new home.

Just transferring into a squad run by her ex-Lover, DI Judy Hill is assigned to the case of a strangled schoolgirl.