London, 2014. Adopted when just a few months old, Holly Smith has never fitted in. But then she finds a biscuit tin full of yellowing papers under the floorboards of the flat she was born in. Could these papers be the key to her past? Liverpool, 1981. Fifteen-year-old Darren is negotiating life with his errant mother and the younger brother. When the Toxteth Riots begin, Darren finds himself with a moral dilemma.