After his sister Grace is found dead in what’s believed to be a suicide, Joe is left with questions he can't ignore. While his mother retreats into silence and sorrow, Joe begins to search for answers. Returning to Grace’s bedroom, he uncovers fragments of her hidden life, torn photographs, a diary filled with quiet pain, and a phone that reveals a devastating truth: Grace was poisoned by someone she trusted.
As Joe takes justice into his own hands, he is forced to confront the consequences.

Lost is a quiet thriller about grief, obsession, and the fine line between seeking truth and losing oneself in it.