Grieving over the death of her sister and her husband, artist Dana Underwood returns to her childhood home to care for her young nieces, but as she begins to fall for Sam Trevor, a young marine biologist, she must search for the truth about what happened to her sister.

Three far-flung sisters come home to Martha's Vineyard one last time. Their mother's beach house is the only place any of them ever found true happiness and they need to begin the difficult process of letting go. Memories of their grandmother, mother, and their Irish father, who sailed away the year Dar turned twelve, rise up and expose the fine cracks in their family myth--especially when a cache of old letters reveals enough truth to send them back...

Years ago, Beth Lathrop and her sister suffered through the kidnapping of their mother and the theft of a famous painting. Detective Conor Reid swore to protect them from then on. When the same family painting is stolen again and Beth is murdered, Beth's husband comes under suspicion and Reid vows to solve the crime.