When Scotland Yard finds themselves up against a brick wall in tracking down a vicious gang of thieves and bank robbers, they call in Layton, a loner from MI5 to work his way into the gang and help bring them down.

Albert Steptoe and his son Harold are rag-and-bone men, complete with horse and cart to tour the neighbourhood. They also live amicably together at the junk yard. Always on the lookout for ways to improve his lot, Harold invests his father's life savings in a greyhound who is almost blind and can't see the hare. When the dog loses a race and Harold has to pay off the debt, he comes up with another bright idea. Collect his father's life insurance. To do this his father must pretend to be dead.

A strait-laced British banker hires an eccentric private detective to follow his free-spirited American wife, whom he suspects is cheating on him.

In 1879, during the Anglo-Zulu War, man-of-the-people Lt. Chard and snooty Lt. Bromhead are in charge of defending the isolated and vastly outnumbered Natal outpost of Rorke's Drift from tribal hordes.