The 14th One Piece movie, which commemorates the anime's 20th anniversary, takes place during the Pirates Festival, an epic treasure hunt in which pirates from across the globe race to find an item that once belonged to Gol D. Roger himself!The 14th One Piece movie, which commemorates the anime's 20th anniversary, takes place during the Pirates Festival, an epic treasure hunt in which pirates from across the globe race to find an item that once belonged to Gol D. Roger himself!