When an esteemed but aging surgeon makes a fatal mistake in the operating room, an idealistic young physician ' moved by the older man's torment ' takes the blame. It is a decision that will change his life forever. A young Errol Flynn headlines a poignant, romantic medical drama that sweeps from a great metropolitan hospital to the wilds of Montana, from career obsession to religious transformation. The film is based on a bestseller by Lloyd C. Douglas, whose other page-to-screen books include Magnificent Obsession and The Robe. Like those works, Green Light emphasizes spiritual values and the film's inspiring tone and redemptive storyline helped make it another hit for a charismatic star on the rise.