Tras un accidente, Mariah contrata a Tess para que cuide de su hijo autista. Al principio todo parece ir bien, pero las intenciones de Tess no son precisamente las de ayudar a Mariah.
When Emily, a librarian-to-be, is assigned to tutor Mateo, a struggling undergrad, in American Lit, they do not get along; but when the discussion turns from classics to confessions, they learn something that could change their lives forever.