An 11-year-old girl watches her father come down with a crippling depression. Over one summer, she learns answers to several mysteries and comes to terms with love and loss.

With varying degrees of success, recently divorced friends Dave, Vic and Donny are trying to move on with their lives. Vic feels vilified by his ex-wife's parents, while Donny has a shaky bond with his teen daughter, Emma. Dave, meanwhile, has an enviable problem -- he has more dates than he can handle. As they confront their post-marital challenges, the men take solace in one another's plights.

Famed forensic psychiatrist Dr. Jack Gramm enjoys a reputation as one of the most sought-after profilers around. His expert testimony has resulted in the conviction of many criminals, including serial killer Jon Forster. On the eve of Forster's execution, one of Gramm's students is murdered in a vicious copycat crime, and Gramm himself receives an ominous message informing him that he has less than 90 minutes to live.

Nicole Walker always dreamed of being swept away by someone special — someone strong, sexy and sensitive who would care for her more than anything else in the world. David is all that and more: a modern-day knight who charms and seduces her, body and soul. But her perfect boyfriend is not all he seems to be. His sweet facade masks a savage, dark side that will soon transform Nicole's dream into a nightmare.

When Albert Stockwell comes home from work one day he finds a note from his wife of 15 years, Nancy, saying she has gone to see friends. After waiting several days, Albert realizes that his wife is missing. Nancy has met her salvation on the Internet in the form of Louis Farley. Nancy and Louis, both wounded souls, take comfort in one another through e-mail, pictures, and promises of perverse sexual encounters.

A group of armed robbers fleeing the police head for the New Jersey Tunnel and run right into trucks transporting toxic waste. The spectacular explosion that follows results in both ends of the tunnel collapsing and the handful of people who survived the explosion are now in peril. Kit Latura is the only man with the skill and knowledge to lead the band of survivors out of the tunnel before the structure collapses.

Years after a brutal attack left her in a constantly shifting reality, Kirby Mazrachi learns that a recent murder is linked to her assault. She teams with veteran reporter Dan Velazquez to understand her ever-changing present—and confront her past.