When FBI agent Jack Shannon arrives in Corpus Christi, Texas, he is focused on one thing: finding the man who has been selling encrypted government secrets to the Chinese through online birding chat rooms. But when a senator is shot during a hunting trip and the woman he was with is abducted, Jack agrees to join the search - especially when he discovers that the kidnapping victim is Aubrey Grayson, a woman he was once in love with. As the search continues, it becomes clear the senator may not have been the intended victim....

When the Red Rose Killer leaves his calling card for Staff Sergeant Felicity Monroe, she knows exactly what that means-she's on his revenge list. Her boss, Master Sergeant Westley James, and K-9 German shepherd Dakota become her guardians, but they'll have to act fast to escape the man who wants her dead.

Legal investigator Finley O’Sullivan searches for evidence the police overlooked, wading through secrets, lies, and betrayal to find answers. With the unsolved murder of her husband still very much on her mind, Finley must confront her own personal trauma on a daily basis. Lies are part of her livelihood, but they’re also the reason she can’t get justice for the man she loved. When a man imprisoned for murder recants his confession, claiming he cleaned up the mess for his girlfriend—the victim’s own daughter—Finley takes on the case.

After years of paying her dues on the force, Beth Sturgis has earned her place as a detective for the Robbery-Homicide division of the Atlanta PD. Now, she's heading up a major manhunt for a potential serial killer who's working his way inward from the outskirts of the city. The copycat elements in the first crime scene lead Sturgis to retired FBI agent Jack Kale, who was responsible for apprehending and nearly killing the murderer known as the Scarecrow, the same Scarecrow who appears to be this new killer's terrible inspiration.

Deputy Clay Starke has come home to Wrangler's Corner for one reason only: to solve his brother's murder. Denied the official resources that will help him unravel the case, Clay is forced to rely on his wits - and on the help of beautiful social worker Sabrina Mayfield. But Sabrina's willingness to assist him soon draws her into the troubles of Clay's past. Now both Clay and Sabrina have targets on their backs, and Clay is at risk of losing not only his heart, but also his life. Will finding his brother's killer cost him the woman he has come to love?

Now that Alexandra "Alex" Donavan is finally free of her troubled upbringing, she's able to live out her childhood dream of working for the FBI. But soon after she becomes a member of the FBI's elite Behavioral Analysis Unit, authorities in Kansas and Missouri contact them about bodies found on freight trains traveling across the country - all killed in the same way.

Ex-FBI profiler River Ryland still suffers from PTSD after a case went horribly wrong. Needing a fresh start, she moves to St. Louis to be near her ailing mother and opens a private investigation firm with her friend and former FBI partner, Tony St. Clair. They're soon approached by a grieving mother who wants them to find out what happened to her teenaged son, who disappeared four years ago. River knows there's almost no hope the boy is still alive, but his mother needs closure, and River and Tony need a case, no matter how cold it might be.

Kaely Quinn's talents as an FBI behavior analyst are impossible to ignore, no matter how unorthodox her methods. But when a reporter outs her as the daughter of an infamous serial killer, she's demoted to field agent and transferred to St. Louis. When the same reporter who ruined her career claims to have received an anonymous poem predicting a string of murders, ending with Kaely's, the reporter's ulterior motives bring his claim into question. But when a body is found that fits the poem's predictions, the threat is undeniable.

Mercy Brennan followed in her father's footsteps in a law enforcement career, but she has no interest in any other connection to him. A US Marshal in St. Louis, Missouri, she's assigned to a joint task force with the St. Louis PD that puts her back into contact with her father and in the sights of St. Louis's most powerful gang. When the gang has reason to believe Mercy has possession of some highly sensitive and incriminating information, her boss assigns Mark St. Laurent - a Deputy US Marshal and Mercy's ex-boyfriend - to get her out of town.

Deputy Clay Starke has come home to Wrangler's Corner for one reason only: to solve his brother's murder. Denied the official resources that will help him unravel the case, Clay is forced to rely on his wits - and on the help of beautiful social worker Sabrina Mayfield. But Sabrina's willingness to assist him soon draws her into the troubles of Clay's past. Now both Clay and Sabrina have targets on their backs, and Clay is at risk of losing not only his heart, but also his life. Will finding his brother's killer cost him the woman he has come to love?