A child cries, and family man PC Baker finds himself getting too involved.

Toby, a man high up on the ledge of a derelict warehouse, is likely to jump off at the mere sight of a uniform. It is up to Bert Lynch, desperately anxious not to reveal himself as a policeman, to gain Toby's confidence and talk him down.

When two masked men terrorise the wife of a bookmaker and rob his safe it looks like a local job, and only hours after his release from prison Henry McNeil is picked up in a stolen car. But as Barlow remarks, a pro like McNeil will be caught only with his hands in the till.