Frank Adler (Chris Evans) is a single man raising a child prodigy - his spirited young niece Mary (Mckenna Grace) in a coastal town in Florida. Frank's plans for a normal school life for Mary are foiled when the seven-year-old's mathematical abilities come to the attention of Frank's formidable mother Evelyn (Lindsay Duncan) whose plans for her granddaughter threaten to separate Frank and Mary. Directed by Marc Webb; Starring Chris Evans, McKenna Grace, Lindsay Duncan, Octavia Spencer, Jenny Slate, Michael Kendall Kaplan, John M. Jackson.