Top 9 in The 7 Best Movies About Assassins.
John Wick (2014) - Official Trailer
After the sudden death of his wife, John Wick (Reeves) receives the last gift from her, a beagle-like little dog named Daisy, and a message "Please don't forget how to love". But John's life is harassed when the Boss Mustang 1969 caught the eye of russian mafia Iosef Tarasov (Alfie Allen).
When John refuses to sell the car, Iosef and his heaths break into John's house and steal it, knocking him unconscious and killing Daisy. Accidentally, they awakened one of the most brutal assassins of the underworld.