Jesse Stone and Captain Healy are shot during an unauthorized stake-out in Boston. Meanwhile, a cryptic letter sent from Paradise leads the mother of a kidnapped child to Stone. Though her son was declared dead, she hopes he will reopen the case.
In the 1980s, college student Samantha Hughes takes a strange babysitting job that coincides with a full lunar eclipse. She slowly realizes her clients harbor a terrifying secret; they plan to use her in a satanic ritual.