Thirty years ago, in the sleepy community of Waterbury, a killer known as "The Executioner" murdered Sarah Bennett's parents. Now Sarah and her husband Dylan have returned to town, only to find herself the centerpiece in a series of horrifying murders centered around the seven deadly sins.
Based on the true story of Grace Marks, a housemaid and immigrant from Ireland who was imprisoned in 1843, perhaps wrongly, for the murder of her employer Thomas Kinnear. Grace claims to have no memory of the murder yet the facts are irrefutable. A decade after, Dr. Simon Jordan tries to help Grace recall her past.
After her daughter is kidnapped, a Norweigian diplomat heads to the Middle East to rescue her. She relies on some old friends and a deep dark secret in order to help save her family.