Unshackled is one of the best Christian audio dramas on radio today. The real life dramas are well written and have good voice acting. There are archives online of many Unshackled episodes on the Unshackled website.
Unshackled
Unshackled Radio Program in 15 Languages
http://www.unshackledradio.org/
Unshackled is one of the best Christian radio dramas. You may hear it online and on many different radio stations.
It has testimonies of people before they were saved and the events leading to their salvation.