As a mute, burly German peasant is helping British soldiers move a fallen tree, he's struck on the head. When he regains consciousness he calls out to the astonished Major Manning, using his nickname "Monkey"—in perfect English.

It is a black Chinese cabinet decorated with figures that once ignited little Chloe Dane's imagination. It was in the drawing-room of her family home, Danesborough. Later, it held secrets that shamed and sickened her. Poor but honest Chloe hasn't been to Danesborough for years and believed she was the last of her family. So when a distant cousin introduces himself and declares that she will be his heir, she finds herself in the huge house again. And she wants none of it.

Twelve-year-old Peter Waring is an orphan with an assortment of relatives who don't quite know what to do with him. But Peter's concern is for Rose Ellen, the little girl his mother took in before she died, and for whom none of his relations feel any responsibility. They are however intrigued by Peter's legacy. His father had hidden The Annam Jewel, a mysterious and priceless object that Peter will inherit on his 25th birthday. But Peter's first task is to rescue Rose Ellen from the wretched institution where she has been sent.

The engagement of effervescent Mally Lee to handsome, well-connected Roger Mooring is not going well. They quarrel constantly and Mally's idea is to spend time apart and delay the wedding. She has no money of her own and hopes to find a job, which materializes when Sir George Peterson hires her to be a governess to his daughter. She happily heads to London and all is well until Sir George and his odious secretary, Paul Craddock, accuse her of the theft of a diamond brooch and an important paper.

Stephen Munro, a demobbed army officer, reconciles himself to taking a job as a footman to make ends meet. Employed at Wintringham Hall, the delightful but decaying Sussex country residence of the elderly Lady Susan Carey, his first task entails welcoming her eccentric guests to a weekend house-party, at which her bombastic nephew—who recognises Stephen from his former life—decides that an after-dinner séance would be more entertaining than bridge. Then Cicely disappears!