Church-going Frank and Nancy Howard are pillars of their community in Carrollton, Texas, then a hit man shows up on their doorstep in August 2009, changing their lives forever.

While Dee Dee Blanchard takes care of her wheelchair-bound daughter, Gypsy, they capture the hearts and well-wishes of everyone they meet, then one of them is found murdered, leaving a community in shock and police struggling to find answers.

Leo Fisher and his wife, Sue Duncan, prepare dinner on a quiet evening in November, then the doorbell rings, and an intruder forces his way into the couple's home, holds them hostage and interrogates them without mercy.

Detective Derek Mois responds to a horrific double homicide involving an 11-year-old boy and his family's housekeeper; police race to solve the case, then another murder takes place on the other side of town.

Well-known as a quiet summer retreat, the small town of Kankakee, Ill., is rocked by a kidnapping and ransom scheme that targets one of its most beloved citizens.

Wealthy couple Bonnie and Jim Hood purchase a resort lodge in the Sierra Nevada mountains; during renovations, tensions escalate between the new owners and locals who want the property to remain unchanged, then violence erupts leading to two murders.