The lights are on at the Singleton vacation home on Lopez Island, Washington, illuminating the horror within. The family is found dead, and the police's main suspect - the property caretaker - has disappeared. In her secluded vineyard home two hours away, Laura Gretchell is on edge. Her husband is out of town on business, and the children are understandably shaken. Laura tries to tell herself there's no reason to fear. Then the door handle rattles, and the real terror begins.

Sheila O'Rourke has always known her husband isn't perfect. Who is? But things have been better since they moved to Seattle to make a fresh start. So much so that when 16-year-old Eden turns up, claiming to be Dylan's child by another woman, Sheila tries to be welcoming.

Harvard librarian Hester Thursby knows that even in the digital age, people still need help finding things. Using her research skills, Hester runs a side business tracking down the lost. Her new case is finding the handsome and charismatic Sam Blaine. And Sam has no desire to be found. 

London, 1940. When nurse Elsie offers to send a reassuring letter to the family of a patient, she has an idea. She begins a book of last letters: messages to be sent on to wounded soldiers’ loved ones should the very worst come to pass so that no one is left without a final goodbye. London, present day. Stephanie has a lot of people she’d like to speak to: her estranged brother, to whom her last words were in anger; her nan, whose dementia means she is only occasionally lucid enough to talk.

When Esmé Foster left the Boston suburbs to become a professional ballerina, the future shimmered with promise. Eleven years later, her career has been derailed by an injury, and Esmé knows it’s time to come back to Graybridge to help her brother care for their ailing father. But her return coincides with an unthinkable crime. Kara Cunningham, one of Esmé’s high school friends, is found dead in the woods behind the Fosters’ house. Esmé is shocked and grieving, but also uneasy.

Andrea Boyle moved to Seattle to give her 17-year-old nephew, Spencer, a fresh start after the death of his parents. Andrea has found her own new beginning with Luke, a successful playwright and father of a teenage son, Damon. The boys appear to have little in common, but in truth they share a private torment....

Londoner Madeleine Grant is studying at the Sorbonne in Paris when she marries charismatic French journalist Giles Martin. As they raise their son, Olivier, they hold on to a tenuous promise for the future. Until the thunder of war sets off alarms in France. Staying behind to join the resistance, Giles sends Madeleine and Olivier to the relative safety of England, where Madeleine secures a job teaching French at a secondary school. Yet nowhere is safe. After a devastating twist of fate resulting in the loss of her son, Madeleine accepts a request from the ministry to aid in the war effort.

Avery Mason, host of American Events, knows the subjects that grab a TV audience’s attention. Her latest story - a murder mystery laced with kinky sex, tragedy, and betrayal - is guaranteed to be ratings gold. New DNA technology has allowed the New York medical examiner’s office to make its first successful identification of a 9/11 victim in years. The twist: The victim, Victoria Ford, had been accused of the gruesome murder of her married lover. In a chilling last phone call to her sister, Victoria begged her to prove her innocence.

Janie Klassyn was only 14 years old when she made the blood pact with her friends. She could never imagine she was setting in motion the horrifying crime that would tear her peaceful prairie town apart. Twenty years later in California, school counselor Emma Grant struggles to keep her past buried. But when she finds a note on her car threatening to reveal her secret, it becomes harder to keep up the deception. Even her teenage stepdaughter suspects that Emma is hiding something.

Detective Casey White’s heart shatters when she finds Tabitha and Tommy Roth, just three and six years old, drifting alone on a raft off the coast of the Outer Banks. The children witnessed the murder of their own parents before escaping on a life raft. As Casey clutches them tight she promises to fight for justice.

Vienna, 1954 After losing everyone she loves in the final days of World War II, Ingrid Bauer agrees to a hasty marriage with a gentle Soviet embassy worker and follows him home to Moscow. But nothing within the Soviet Union’s totalitarian regime is what it seems, including her new husband, whom Ingrid suspects works for the KGB. Inspired by her daughter’s birth, Ingrid risks everything and reaches out in hope to the one country she understands and trusts—Britain, the country of her mother’s birth. She begins passing intelligence to MI6, navigating a world of secrets and lies, light and shadow.

Wales, 1943. Sara Lewis should be heartbroken when her husband doesn't return from war. But he was never the kind husband she hoped for. And now she's stuck with her cruel mother-in-law on the family farm. Sara must do what is best for her young son. So she leaves the farm for the safety of her sister's home. Despite herself, she begins to notice Carlo, an Italian prisoner of war. Longing looks soon turn into a connection neither of them can sever. But fraternization is forbidden. As their love grows, so does the danger all around them.

When Olivia Blake receives a note, she thinks someone is playing a prank...until she’s lured to an empty house. Then she witnesses a man burning to death and realizes the threat is serious. The problem is she doesn’t know who is after her or why. As she tries to uncover who is tormenting her, someone watches from the shadows - someone who knows the truth about a tragic accident that happened years ago, someone who won’t stop until everyone involved has paid the ultimate price. They say revenge is a dish best served cold, but this killer prefers to play with fire.

May 10, 1940. The Netherlands was swarming with Third Reich troops. In seven days it's entirely occupied by Nazi Germany. Joining a small resistance cell in the Dutch city of Haarlem were three teenage girls: Hannie Schaft, and sisters Truus and Freddie Oversteegen, who would soon band together to form a singular female underground squad.

Hattie travels on the 18.53 train home every night. She sits in the same seat, in the same carriage, and sees the same people. The unwritten rule is you don’t talk to your fellow passengers, but Hattie has been watching them all for months now to distract herself from her own troubles.