Watch Full Movie Online. After years of maneuvering the canal-ridden, superstitious city of Venice, Italy, a scrappy black cat named Nero begins to question whether he’s lived the right lives. Indebted to Rocco, a ruthless local feline mob boss, Nero finds himself in a quandary and is forced to forge a truly unexpected friendship that may finally lead him to his purpose — unless Venice gets the better of him first.