After a series of turmoil, John Wick (Keanu Reeves) also got a healthy dog again. John Wick, who wanted to retire, was troubled by his previous career again. His former employer was being hunted down. Trapped by his previous promise, John Wick could only fly to Rome to help him escape. In the ancient city of Rome, John Wick met the world's strongest killer, so he had to pick up a gun to protect himself.