This four-part documentary explores the history of The Salvation Army. Host John Cleary traces the path of this powerful movement from its origins to the present day. Learn how The Salvation Army became a force for both gospel evangelism and social change. Meet the movement's founders, William and Catherine Booth, and examine the innovative structures they introduced to meet the challenges of the 19th century. We'll also see how The Salvation Army has continued its work into the 21st century.