John Wick was a former assassin. He had a wife who unfortunately passed away. Her death led to him being drawn back into the violent world he had left behind. He has a dog which was a final gift from his wife. This dog was a key factor in his re - entry into the assassin world when some thugs attacked him and killed his dog. He then went on a rampage to seek revenge against those who wronged him.
John Wick's life story is full of action and tragedy. He used to be part of a secretive assassin organization. When his wife died, he was given a puppy to keep him company. But when that puppy was killed, he couldn't just let it go. He is a man of principle in a world of chaos. His skills in combat, which he had honed over years in the assassin business, were put to use again. He faced numerous enemies, from small - time thugs to powerful crime lords. His journey is one of vengeance, but also a struggle to come to terms with his past life and the violence that is always lurking beneath the surface.