Dr. Samantha Willerby, a specialist in post-traumatic stress, has never seen anything like this before. Following a fire on the London Underground, three survivors seek her help, but although unmistakably traumatized, their stories don’t match the facts. Are they "faking it"? Sam’s confusion turns to horror when one by one, instead of recovering, they are driven to suicide. When her lover, Conrad, begins to suffer the same terrifying flashbacks, Sam is desperate to find out what’s causing them. Then a mysterious and chilling conspiracy begins to unravel....

When Alice receives an invitation from Karen, her charismatic University friend, to stay in a remote cottage in Scotland, she can't wait to rekindle their lost friendship. But two more former students arrive - never friends of Alice's - and as the atmosphere chills, Karen isn't the warm-hearted soulmate Alice remembers. Barely is the reunion underway before someone is dead and the fragile gathering is pushed to a breaking point.

What if your daughter becomes your enemy? When barmaid, Rachel, discovers her soon-to-be-married daughter, Beth, pinned down by a stranger in the pub cellar, Rachel lashes out in panic, and the intruder ends up dead. In desperation, Rachel convinces Beth they should cover up the crime and go ahead with the planned wedding in one month’s time. Rachel, however, has her own reasons for not involving the police.

Kat Grant and Alice Campbell have a friendship forged in shared confidences and long lunches lubricated by expensive wine. Though they're very different women - the artsy socialite and the struggling suburbanite - they're each other's rocks. But even rocks crumble under pressure. Like when Kat's financier husband, Howard, plunges to his death from the second-floor balcony of their South Florida mansion. Howard was a jerk, a drunk, a bully, and, police say, a murder victim. The questions begin piling up.

When happily married Grace comes home early one night and catches her husband, Dominic, with another woman in the cabin at the bottom of their garden, she is shocked, angry, and most of all, hell-bent on revenge. That’s why she acts quickly, locking the pair in the cabin while she decides what she wants to do to them.