该片是由Staffan Götestam执导的剧情片,于1990年上映，主要讲述了.:　　7-year-old Bertil's .parents are at work and .Bertil. are home alone and b.ored. He is the on.ly child in the famil.y since his sister Marth.a died of an illness.. But e.verything changes when he m.eets little Nils Karlsso.n Pysslin.g and they become fri.ends. Nisse who lives in th.e b.asemen.t in a room he rents from t.he rat Tjofsan,wich is c.ruel.