SnowcoveredmountainsinJapan.Everynight,afishermanmakeshiswaytothemarketintown.　　His6yearoldsonisawokenbyhisdepartureandfindsitimpossibletofallbacktosleep.Inthesleepinghousehold,theyoungboydrawsapicturehethenslipsintohissatchel.Onhiswaytoschool,stilldrowsy,hestraysoffthepathandwandersintothesnow...