Jude is 21 when she flies in a private plane to Sark, a tiny carless Channel Island. She has been hired for the summer to give tuition to a rich local boy called Pip. But when she arrives, the family is unsettling – Pip is adamant he doesn't need a tutor, and upstairs, his enigmatic mother Esmé casts a shadow over the house. Enter Sofi: the family's holiday cook, a mercurial Polish girl. When the father of the family goes away on business, Pip's science lessons are replaced by midday rosé and scallop-smuggling, and summer begins. Soon something surprising starts to bring the three together. But those strange, golden weeks cannot last forever.