In South Carolina, Grace Walters leads a secret life. Married to a handsome, ambitious banker and raising four children in an affluent neighborhood, it appears that Grace has what every woman dreams of. Behind closed doors, however, she suffers at the hands of an abusive husband and distant children. Feeling alone in the world after the death of her mother, she retreats to the ancestral home, Potter Plantation. Hiring artsy Dean Simon and his emotionally bereft brother-in-law, Sebastian Marshall, to rehab the estate, Grace finds friendships which will prove to be vital when she discovers that her family harbors more secrets than she had ever suspected. While boxing up her mother's belongings, she stumbles across the journal of her ancestor, Sarah Corey, and is stunned to find that she and Sarah share much more than blood. Ghostly occurrences at Potter Plantation begin to take on more significance as Grace digs deeper into her family history while trying to protect her children. Sebastian, dealing with his own demons since the death of his wife and son, finds a kindred spirit in Grace and their friendship grows into something deeper while they attempt to find a way to reconcile the past with the present and determine how to move forward toward more meaningful lives.