Renee wakes up one morning in the middle of the desert with blood on her hands. She cannot remember why she is there, how she got there or with whom she came. Her quest to uncover forgotten events leads her on a journey of discovery where reality and memory collide and people are not what they seem.

Fleeing New York City, a failed marriage and a fragile mental history, artist Robert Forrester moves to small-town Pennsylvania. There he becomes fascinated with the simple domesticity of a beautiful neighbor, watching her through the windows of her home --- until she invites him in for coffee. He is drawn into a relationship with the young woman whose boyfriend goes missing; Robert becomes a murder suspect, gradually sensing he is the target of a larger plot.

A man investigates the disappearance of two of his friends who were the guests of a sinister Austrian count.

Rex and Saskia, a young couple in love, are on vacation when they stop at a busy service station. Saskia is abducted in broad daylight and three years pass with no answers or closure surrounding her disappearance. Rex has nearly given up all hope when he suddenly begins receiving letters from her abductor.

When an emotionally-fragile young woman takes a job as nanny to two troubled children at a remote summer cottage, she falls in love with the children's father, while becoming enmeshed in the mystery of their estranged mother - with whom, it turns out, the young woman has her own fraught history. As the summer progresses, she begins to suspect that the family has a dark history that they are desperate to keep secret.

While shooting a documentary on the suspicious disappearances within the homeless community, a filmmaker and his crew go missing while uncovering a terrifying and vicious secret below the city's surface.

After young Mary Gibson discovers that her older sister Jacqueline has disappeared, she leaves her boarding school and heads to New York City to track down her sibling. But Mary gets drawn deeper into the mystery.

After his brother Robeson disappears without a trace while exploring Africa in search of a legendary 'white tribe', Allan Quatermain decides to follow in his footsteps to learn what became of him. Soon after arriving, he discovers the Lost City of Gold, controlled by the evil lord Agon, and mined by his legions of white slaves.

World War II soldier-turned-U.S. Marshal Teddy Daniels investigates the disappearance of a patient from a hospital for the criminally insane, but his efforts are compromised by troubling visions and a mysterious doctor.

The employees of a dying seaside hotel have their lives upended when their colleague, Elle, vanishes.

A tutor recounts a frantic night that culminated in a 16-year old girl's disappearance. Unfolding in front of a video camera direct from a psychiatric ward, Gaby Winters recalls a dreadful babysitting job that sent her on a frantic search for a missing teenager out into the heart of a mysterious city. Woven into the story are a multitude of subplots that add up to one chaotic night that Gaby will never forget.

In a small town in Massachusetts, four high school girls perform a ritual in an attempt to debunk the lore of Slender Man. When one of the girls goes mysteriously missing, they begin to suspect that she is, in fact, his latest victim.