Tamarind never knew her Indian mum, Chinty, who died soon after she was born. So when she arrives at her ancestral home, a huge mansion in the Himalayas surrounded by luxuriant gardens, she's full of questions for her extended family. But instead of answers, she finds an ominous silence - and a trickle of intriguing clues: an abandoned hut, a friendly monkey, a glowing star ring, and a strange girl in the garden who calls herself Ishta. Slowly, Tamarind unravels a mystery at the heart of who she is ...