Watch Star Trek VI: The Undiscovered Country (1991) HD Full Movie Free on SolarMovie. Watch Star Trek VI: The Undiscovered Country (1991) online free. On the eve of retirement, Kirk and McCoy are charged with assassinating the Klingon High Chancellor ...On the eve of retirement, Kirk and McCoy are charged with assassinating the Klingon High Chancellor and imprisoned. The Enterprise crew must help them escape to thwart a conspiracy aimed at sabotaging the last best hope for peace.