After her identical twin goes missing in a small, suburban town, a sixteen-year-old girl reflects on her parents' crumbling marriage and muddles through life without her other half.

In a small town, Rhea and Rhoda, two vivacious, inseparable twins, are found brutally murdered and raped by a developmentally disabled man.

When a man marries a princess from Cimmeria, a country he believes he imagined into existence, he must come to terms with a culture that recognizes twins as a single person—a primary and their shadow—and the lengths a shadow twin would go to in order to become their own person.

After their mother’s sudden disappearance, a brother and sister meet their estranged aunt; although the sister takes to the aunt instantly, the brother senses something darker inside her and fears for his sister’s safety.

A pair of incestuous twin sisters travel across the American south as they serially murder a slew of unsuspecting hitchhikers.

The friendship between two college students is based entirely on dislike and desperation - but also need. One has an eating disorder that she needs help overcoming, while the other desperately wants access to luxury and wealth. As they grow closer, secrets and lies threaten to ruin their relationship.

After three bodies wash up on shore in her town, a teenage girl grapples with her dead twin sister's struggle with self-harm and suicidal thoughts, all while she tries to live her own life.

A family house in New Jersey watches on as twin boys are born, grow up together, and eventually become two very different men.

Two twin girls live in a haunted house with their father as he writes his next book.

When her husband leaves, a divorced woman finds comfort in her home with another version of herself.