Watch The Admiral: Roaring Currents (2014) HD Full Movie Free on SolarMovie. Watch The Admiral: Roaring Currents (2014) online free. Admiral Yi Sun-sin faces a tough challenge when he is forced to defend his nation with just 13 battl...Admiral Yi Sun-sin faces a tough challenge when he is forced to defend his nation with just 13 battleships against 300 Japanese enemy ships in the Battle of Myeongryang.