Twenty-eight-year-old Margot is happily married to Lou, a good-natured cookbook author. But when Margot meets Daniel, a handsome artist who lives across the street, their mutual attraction is undeniable.

Canadian actress and filmmaker Sarah Polley investigates certain secrets related to her mother, interviewing a group of family members and friends whose reliability varies depending of their implication in the events, which are remembered in different ways; so a trail of questions remains to be answered, because memory is always changi...