|Knocking opens the door on Jehovah's Witnesses. They are moral conservatives who stay out of politics, but their many human rights court victories benefit all who live under democracy. They refuse blood transfusions on religious grounds but they embrace the science behind bloodless surgery.
In Nazi Germany, they could fight for Hitler or go to the concentration camps. They chose the camps. Following two Jehovah's Witness families who stand firm for their often controversial and misunderstood Christian faith, Knocking reveals how Jehovah's Witnesses have helped shape history beyond the doorstep.
A documentary by Joel P. Engardio and Tom Shepard. Compass Executive Producer: Rose Hesp.