Zak Gist and the young, inexperienced Tom Greening are angels, trained in the law and sent to Earth by their celestial boss Mr Mountjoy to defend the needy and innocent.

Stressed Jenny Fenwright walks out on husband Dave, leaving their six year old adopted son Hal with him. When she decides she wants custody of Hal the little boy, detecting that they are angels, asks Zak and Tom to help his father.

Elderly Mack Steen in accused of attempted murder after poisoning Keith Cedric, owner of the care home where he lives, by putting tablets in his drink.

Gemma Manes, whose teenage son Paul was murdered a year earlier, is charged with the manslaughter of Mark Yalling, a stalker who entered her house.

Major John Parker asks Zak to represent Private Laura Pearson, charged with attempted desertion after supposedly wounding herself to avoid a tour of duty.

Brothers Marcus and Felix Hale, who took over their father's engineering business, literally come to blows when Marcus is opposed to a contract to make parts for the army believing it goes against their father's principles.