Stay-at-home mom, Rebecca Logan, is struggling after her youngest, Max, is diagnosed with early-onset bipolar disorder following an unanticipated suicide attempt. Her eccentric older sister, Sarah, an ER doctor, is convinced that she knows what is best for Max due to her experience as a physician, despite his mother's diligent care and the advice of Max's own psychiatrist. After shocking family secrets surface, Sarah kidnaps Max, and Becky embarks on a frantic journey to save them both.