For a trio of colleagues, an innocent night out after class ends in a deadly torture session. They vanish without a clue - until a body turns up. With the safety of San Francisco's entire school system at stake, Lindsay has never been under more pressure. As the chief of police and the press clamor for an arrest in the "school night" case, Lindsay turns to her best friend, investigative journalist Cindy Thomas. Together, Lindsay and Cindy take a new approach to the case, and unexpected facts about the victims leave them stunned.  

A series of shootings exposes San Francisco to a methodical yet unpredictable killer, and a reluctant woman decides to put her trust in Sergeant Lindsay Boxer. The confidential informant's tip leads Lindsay to disturbing conclusions, including that something has gone horribly wrong inside the police department itself. The hunt for the killer lures Lindsay out of her jurisdiction, and gets inside Lindsay in dangerous ways. She suffers unsettling medical symptoms, and her friends and confidantes in the Women's Murder Club warn Lindsay against taking the crimes too much to heart.

Fifteen months ago Detective Lindsay Boxer's life was perfect - she had a beautiful child and a doting husband, Joe, who helped her catch a criminal who'd brazenly detonated a bomb in downtown San Francisco, killing 25 people. But Joe wasn't everything that Lindsay thought he was, and she's still reeling from his betrayal as a wave of mysterious and possibly unnatural heart attacks claims seemingly unrelated victims across San Francisco.

As she settles in to motherhood and a happy marriage, Lindsay Boxer thinks she has found domestic bliss. But when a beautiful, alluring blonde woman with links to the CIA disappears from the scene of a brutal murder at a downtown luxury hotel, Lindsay's life begins to unravel. Before she can track down the woman for questioning, a plane crash plunges San Francisco into chaos, and Lindsay's husband, Joe, vanishes.

With a beautiful baby daughter and a devoted husband, Detective Lindsay Boxer can safely say that her life has never been better. In fact (for a change), things seem to be going well for all the members of the Women's Murder Club as they gather to celebrate San Francisco Medical Examiner Claire Washburn's birthday. But the party is cut short when Lindsay is called to a gruesome crime scene, where a woman has been murdered in broad daylight.

The Women's Murder Club is stalked by a killer with nothing to lose. San Francisco Detective Lindsay Boxer is loving her life as a new mother. With an attentive husband, a job she loves, plus best friends who can talk about anything from sex to murder, things couldn't be better. Then the FBI sends Lindsay a photo of a killer from her past, and her happy world is shattered. The picture captures a beautiful woman at a stoplight. But all Lindsay sees is the psychopath behind those seductive eyes.

Prison is a dangerous place for a former cop - as Harriet Blue is learning on a daily basis. So, following a fight for her life and a prison-wide lockdown, the last person she wants to see is Deputy Police Commissioner Joe Woods. The man who put her inside. But Woods is not there to gloat. His daughter Tonya and her two-year-old child have gone missing. He's ready to offer Harriet a deal: find his family to buy her freedom....

Angela's graduate school days at MIT come to an abrupt end when she uses her hacking skills on another student's computer. Yet her mentor, Eve Abajian, arranges a new beginning for her - as an intern in FBI's Boston field office. Her new supervisor, Assistant Special Agent in Charge William Keats, one of only two agents in the Northeast to make his rank before the age of 30, sees in Angela a fellow prodigy. But Angela's skills come with a natural curiosity, which is also a dangerous liability. 

The murder of an Ivy League professor pulls Dr. Dylan Reinhart out of his ivory tower and onto the streets of New York, where he reunites with his old partner, Detective Elizabeth Needham. As the worst act of terror since 9/11 strikes the city, a name on the casualty list rocks Dylan's world. Is his secret past about to be brought to light? As the terrorist attack unfolds, Elizabeth Needham does something courageous that thrusts her into the media spotlight. She's a reluctant hero. And thanks to the attention, she also becomes a prime target for the ruthless murderer behind the attack.

The city of Miami is Detective Tom Moon's backyard. He's always kept it local, attending University of Miami on a football scholarship, and, as a Miami PD officer, protecting the city's most vulnerable. Now, as the new leader of an FBI task force called "Operation Guardian", it's his mission to combat international crime. Moon's investigative team discovers that the opportunistic "Blood Brothers" - Russian nationals Roman and Emile Rostoff - have evaded authorities while building a vast, powerful, and deadly crime syndicate throughout Europe and metropolitan Miami.

Once a luxurious Southern getaway on a rustic lake, then reduced to a dilapidated crash pad, the Summer House is now the grisly scene of a nighttime mass murder. Eyewitnesses point to four Army Rangers - known as the Night Ninjas - recently returned from Afghanistan. To ensure that justice is done, the Army sends Major Jeremiah Cook, a veteran and former NYPD cop, to investigate. But the major and his elite team arrive in sweltering Georgia with no idea their grim jobs will be made exponentially more challenging by local law enforcement....

Former SAS soldier David Shelley was part of the most covert operations team in the special forces. Now settling down to civilian life in London, he has plans for a safer and more stable existence. But the shocking death of a young woman Shelley once helped protect puts those plans on hold. The police rule the death a suicide but the grieving parents can't accept their beloved Emma would take her own life. They need to find out what really happened, and they turn to their former bodyguard, Shelley, for help.

Sally Grissom is a top secret service agent in charge of the Presidential Protection team. She knows that something is amiss when she is summoned to a private meeting with the president and his chief of staff without any witnesses. But she couldn't have predicted that she'd be forced to take on an investigation surrounding the mysterious disappearance of the first lady - with strict orders to keep it a secret. 

Lindsay Boxer's beautiful baby is born! But after only a week at home with her new daughter, Lindsay is forced to return to work to face two of the biggest cases of her career. A rising star football player for the San Francisco 49ers is the prime suspect in a grisly murder. At the same time, Lindsay is confronted with the strangest story she's ever heard: An eccentric English professor has been having vivid nightmares about a violent murder and he's convinced is real.

FBI agent Emmy Dockery is absolutely relentless. She's young and driven, and her unique skill at seeing connections others miss has brought her an impressive string of arrests. But a shocking new case - unfolding across the country - has left her utterly baffled. The victims all appear to have died by accident, and have seemingly nothing in common. But this many deaths can't be coincidence. And the killer is somehow one step ahead of every move Dockery makes.