It is loosely based on General George Washington's "Culper Ring" of spies during the American Revolutionary War.
Anyway Season 2 has just landed for those that have watched S1 & for those that haven't it's worth grabbing S1 to watch.TURN follows New York farmer, Abe Woodhull, who bands together with a group of childhood friends to form The Culper Ring, an unlikely group of spies who turn the tide in America's fight for independence.