Detectives Bishop and Pike fight crime together on the streets of East London, sharing a similar moral code despite their drastically different backgrounds. Bishop grew up being passed around foster families, desperately looking for a father figure, while Pike's father was the first black police commissioner, whose expectations he is struggling to live up to. Their deviating approach to life has been shaping an almost unbreakable bond between the two men, and their friendship is finally put to the test.