11-year-old Harri, newly arrived from Ghana with his mum and sister, is the endearing narrator of this tale of urban survival. As he tries to understand the nuances of language and culture, he and his schoolfriend become would-be murder detectives after the fatal stabbing of another boy and in doing so attract the attention of a local gang. As the duo utilise their TV knowledge of crime-solving their story bubbles with energy, humour and tension.