The film is about an American man who attempts suicide in Mount Fuji 's " Suicide Forest " where he meets a Japanese man who is there for the same reason . Principal photography began on July 28 , 2014 , in Foxborough , Massachusetts ; the production moved to Japan in September of the same year . It was selected to compete for the Palme d'Or at the 2015 Cannes Film Festival
2015 Cannes Film Festival
2015 Cannes Film Festival
The Sea of Trees