Sorrel Sparrow, an American nursery owner with a rare gift with plants, jumps at the chance to help revive a run-down Shakespearean garden on a country estate in England. The ancestral home of Sir Graham Kirkwood and his wife, Stella, the Kirkwood Hall garden exudes a sense of heartbreak, betrayal and enchantment. As Sorrel becomes intrigued with the house's haunting history-- and the owner's brother-in-law-- she slowly unravels the ancient garden's secrets.