Thirteen-year old Holland Shepard and her younger sister, Geneva, are the late-in-life offspring of parents whose first three children died in a car accident. The girls never knew their older siblings, whose presence still casts a shadow over their Greenwich Village townhouse. Into this world comes Annie, a free-spirited artist who opens the girls' eyes on the wider world. Under Annie's eye, the sisters own lives expand, from exploring their colorful city to sneaking off to the tropical island where their older siblings died. It is there that the girls come to terms with their tragic past, and learn the truth about the mysterious Annie's identity.