Watch Monstrum (2018) HD Full Movie Free on solarmovie.do. Watch Monstrum (2018) online free. Yoon Gyeom is a loyal subject of King Jung Jong of Joseon. He struggles to fight against a monster t...Yoon Gyeom is a loyal subject of King Jung Jong of Joseon. He struggles to fight against a monster that threatens King Jung Jong's life and a group of people trying to depose King Jung Jong.