The In Between follows the story of Mandy, a teenage girl who survives a horrific car accident that claims the life of her boyfriend. After the accident, she finds herself feeling lost and alone, struggling to come to terms with her grief.
However, one day, Mandy begins to feel a strange presence around her - a feeling that her boyfriend is trying to reach out to her from beyond the grave. As she starts to experience unexplained phenomena, such as flickering lights and disembodied voices, Mandy becomes convinced that her boyfriend is attempting to reconnect with her from the afterworld.
Desperate to find answers, Mandy turns to a psychic medium for help, who confirms her suspicions that her boyfriend's spirit is indeed present around her. Despite initially feeling comforted by his presence, Mandy soon realizes that her boyfriend's attempts to connect with her are not entirely benevolent.
As Mandy delves deeper into the mysterious world between life and death, she discovers a dark and terrifying secret about her boyfriend's past, and the true nature of his intentions towards her. With the help of her friends, Mandy must confront the evil spirit that is haunting her and find a way to move on from her grief before it's too late.