Fourteen-year-old Junius Posey pushes weed for a small-time neighborhood dealer - a low rung on the ladder of the gangster life surrounding him. But when his older brother is shot dead, Junius grips a gun for the first time and starts climbing. Flanked by his best friend, Junius sets his sights on the Rindge Towers, a low-income high-rise looming over the cold streets of Cambridge, Massachusetts - and lorded over by rival drug kingpins. But when one of the Towers’ men draws down on him, Junius is forced to rack up his first kill - and face the hell that breaks loose. Now, with a vicious, crack-addicted enforcer bent on paying Junius back in lead, even his mother thinks his best play is to skip town and lie low…maybe forever.