Unleashed (also known as Danny the Dog), is a 2005 action / thriller film, directed by Louis Leterrier and written by Luc Besson. It is set in Glasgow, Scotland.

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. Written by mystic80

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... Written by austin4577@aol.com

In Glasgow, Danny (Jet Li) is a young specialist in martial arts raised like a dog by his owner, the gangster and collector Bart (Bob Hoskins). When Bart unleashes his collar, Danny behaves like a savage animal, hurting and killing people as commanded by Bart. After an accident, the wounded Danny is lodged by the blind tuner of piano Sam (Morgan Freeman) and his stepdaughter Victoria (Kerry Condon). They welcome him in the breast of their family, humanizing Danny, who feels attracted by music. But his past haunts him. Written by Claudio Carvalho, Rio de Janeiro, Brazil

Danny is the slave of British crime boss Bart, Bart adopted Danny when he was a child and has turned him into a dog and makes him wear a collar around his neck. When Bart removes the collar from Danny's neck, Danny unleashes his lethal fighting skills and becomes a killing machine, when Bart orders Danny to attack the targets. After being wounded in a accident and Bart ends up in a coma, Danny is befriend by a American blind piano turner named Sam and his teenage stepdaughter Victoria and they welcome him into their family. Sam and Victoria decides to teach Danny about the world and being human. When Bart wakes up from his coma and he and his gangster want Danny back and forces him to take part in a illegal gladiatorial fight club to earn money, Danny decides he doesn't want to hurt people anymore and sets out to protect Sam and Victoria and fight for his freedom. Written by Daniel Williamson