Lullaby (2009)

Synopsis: What would you do for love? An American mother receives word that her drug addled son has been kidnapped and is being held for ransom by a drug lord operating in South Africa. She makes the journey to South Africa to pay the ransom only to run into violent and dangerous obstacles as she faces the kidnappers in the mean streets of Johannesburg. Her only chance to get her son back alive is to work with her son's pregnant girlfriend who is fighting her own battle against the drug lord.     Source: Amazon.com