loveandhateApetisallanimalwhichisraisedorkeptbypeopleasacompanion.Inrecentyears,moreandmorepeople,oldoryoung,richorpoor,liketokeepapetsuchasadog,acat,amonkeyandsoon.Whichanimaldoyouwanttokeepasapet?Why?Althoughtheyarenothumanbeings,theirbehaviorsometimesisbetterthanthehumanbeings,fortheyalwaysremainobedientandloyaltothemaster.Petsarenotonlygoodfriendstotheirmasters,butalsobecomemembersofthefamily.TherearemanystoriesInwhichwearetoldthatapetsavedhisorhermaster'slifeoreventraveledthousandsofmilestoreturnhome.Thismakesthemmorelovely.Moreover,trainedpetsareveryhelpful.Forinstance,atraineddogcanhelptheblindtowalkandatrainedpigcanevenfindoutdrugsfromtheimportsgoods.Asalabradorpuppy,Quillissenttolivewithacouple,whoworkasvolunteers,trainingguidedogs(seeingeyedogs).WhenQuillgrowstoanadultdog,heistakentoaguidedogschool,byafriendly,yetfirmtrainerSatoruTawada.AlthoughQuillisalittleslowerthantheotherdogsattheschool,heseemstohaveanunusual‘empathy’andremarkablepatiencewithhistrainers.TawadedecidesthatQuillwouldbetheidealguidedogforWatanabe.FromthedayQuilljoinstheWatanabehouseholdwithhiswifeandtheirtwochildren,Watanabe'srangeofactivitiesbroadensrapidly.Anincidentoccurswhichcausetheseeminglyincompatiblemananddogtocometorelyoneachother,andbegintowalktogether.Somepetssuchasdogsorsnakesmayattackpeopleunexpectedly.