Passionate defence barrister Martha Costello faces challenging cases and surprising clients, which test her faith in the criminal justice system. Gifted colleague Clive Reader is called to the bar with her. They work hard with pupils, Nick Slade and Niamh Cranitch, but ultimately only one can eventually be taken on as a member of chambers.

The oddball owner of an assisted suicide center and her hapless assistant have ten days to increase client numbers or face closure by the strict Euthanasia Licensing Board.