BenSinger(MatthewBroderick)isafailedchildren'sfolksinger, acareerproofreader, acompulsivemarijuanasmoker, andaless-than-extraordinaryweekenddad.He'salsothemostnegativemanalive.Flounderinginallaspectsofhislife, Ben'sonlycomfortcomesfromregularchessgamesandfriendlydebatesongametheorywithhisSenegaleser...