Desperate to conceive after years of trying, Lauren Lynn travels with her husband Mason Stone to the famed Blessed Birth Retreat, a mysterious place said to bless couples with children. To her astonishment, Lauren becomes pregnant just days after arriving. But instead of joy, Mason is plagued by doubt. His wife's sudden coldness and the retreat's strange secrecy all fuel his suspicions, leading him to wonder if his wife has been unfaithful. Determined to uncover the truth, Mason begins his own investigation.
As he digs deeper, he realizes that not just Lauren, but even his own sister has begun acting strangely since stepping into the retreat. The deeper he investigates, the more unsettling truths he uncovers. The secrets the retreat holds become a dark cloud of mystery hanging over Mason.
