Danny the Dog, released in the US, UK and Australia as Unleashed, is a 2005 action/thriller film, directed by Louis Leterrier.

It is set in Glasgow, Scotland.

Danny (Jet Li) is a Chinese slave with the mind and personality of a young child. Forced to wear a dog collar around his neck, Danny has been trained to be a vicious pit fighter and bodyguard by his cold hearted "master" Bart (Bob Hoskins).

When Bart falls into a coma after an accident, Danny takes the first steps towards attaining his humanity when he meets blind piano tuner Sam (Morgan Freeman) and his step-daughter Victoria (Kerry Condon).

Tagline: Serve no master.

A man treated like a dog and raised as a fighting machine his entire life, ends up in a coma and is taken in the care of good people, but his sinister owner is looking to retrieve his most prized possession: a non stop human weapon triggered by the collar leashed on his neck.

This is the story of Danny, a slave who has lived his whole life without any sort of normal human education, with the mind and personality of a young child, with only one lesson learned: how to fight. Treated like a dog by his owner/boss, Bart which includes having to wear a collar. Danny has been raised to be a lethal fighting machine who fights to help Bart extort people and later ends up in illegal gladiator-style fight clubs, where he earns lots of money for Bart as the undisputed champion. After a car accident that lands Bart in a coma, however, Danny meets a kind elderly blind piano tuner, who uses music to teach Danny some things about the world and about being human...