A week before Christmas, Dr. Alicia Wright is offered an assignment away from home. A mysterious man from her past journeys to find her before Christmas and brings with him a revelation that could change Alicia’s life forever.
Angie Dove gets Det. Carter's attention by stumbling on a murder at an art museum. Angie's father Nick is on his own case, trying to solve a series of petty thefts at the museum.
More than seven years after the world has become a frozen wasteland, the remnants of humanity inhabit a gigantic, perpetually-moving train that circles the globe as class warfare, social injustice and the politics of survival play out.
