When thirteen people arrive at the St. Ignatius Retreat Center, a luxurious retreat house that rivals a four-star resort, they soon find out that in their midst is an adulterer, a pedophile, and a murderer. Shortly after their arrival, they learn no one is going anywhere. As is typical this time of year, the Copper Canyon Train has ceased operations due to wintry blizzard conditions. When Dana Greer, PI, arrives on the last train, she senses there's something about the holy place, isolated in the middle of nowhere - at an altitude of 12,000 feet - that unsettles her. In no time, she realizes that although she may be in a center of prayer, there are those around her who are hiding the darkest of sins.