He thinks his neighbor has killed his dearest in this world, his dog. He goes out on to revenge this gruesome act...
https://www.imdb.com/title/tt6021312/?ref_=nm_flmg_dr_2
and
https://www.imdb.com/title/tt4923320/?ref_=nm_flmg_dr_1
Excuse lack of info, maybe someone wants to fill in (not posted already?)...
https://vimeo.com/401403429
Adorable