Chinese British Detective Sergeant John Ho solves cases in the East End of London. Ho fits the pattern of the maverick detective, prepared to use unorthodox methods to solve his cases. British-born Chinese actor David Yip plays Ho and instead of the barely intelligible English typically spoken by Chinese actors in British drama, Yip's accent has a strong Cockney influence.
On the first day of the Old Bailey trial, John Ho gets an unwelcome call from his boss Berwick. As well as two OAP's, a 12-bore shotgun and a fleet of three-wheelers.
John Ho has viral pneumonia. Dr Li prescribes 'ten days horizontal', but a visit from informer, Jack Bross, rouses John from his sickbed.
Jack Longman's good with figures but a stolen Mercedes and a ledger, set John Ho on course for another result. Not the one he had in mind.
A mother's cry for help sends John in search of a missing boy. With tapshoes and a cassette player, Tommy is no ordinary boy.
When a Glaswegian gunfighter rides into Limehouse there's blood on the streets. But Doc Halliday's fantasies explode in other people's faces.
Jack Balfe is an East End fence and when he wants distinguished Tenor Robert Tear to sing at his daughter's 21st. No one, least of all John Ho, is going to stop him.
Routine searches and an irritable Berwick don't appeal to John Ho. When a pile of bones is found in a derelict house, Ho sees a chance to escape both.
A fatal shooting occurs and the only witness is an old lady and her budgies! Then other parties show interest..