When King Charles I is captured by Roundhead forces led by the tyrant Colonel Judd and his right-hand man Captain Sylvester, it is up to a band of locals loyal to the King led by a Robin Hood–type character named the Scarlet Blade to try to rescue him.
King Charles I is taken prisoner by Roundhead soldiers under the command of the ruthless Colonel Judd and his deputy Captain Sylvester.  A group of local supporters of the King, led by a heroic figure resembling Robin Hood, attempts to liberate him.