After spending graduation night together, Emma and Dexter go their separate ways — but their lives remain intertwined.

A private investigator helps a former flame solve the murder of her wealthy grandfather, who lived in a sprawling estate surrounded by his idiosyncratic family.

Roadkill tells the story of Den, a middle-aged convict from inner-city London, as he reflects upon his past and the events that led to his incarceration over twenty years ago.