Watch Descendant of the Sun for Free: How to Stream the Movie Online at 123Movies. . Celebrated director Chu Yuan helms "Descendant Of The Sun", a Superman meets Hercules a la old style martial art film. Derek Yee is a magic solar baby sent Earthbound by a benevolent god, raised by an old carpenter, has martial art superpowers and "green kryptonite" loses them during solar eclipses. That's when the evil baby counterpart shows up. Demon-paced martial arts action by Jackie Chan's kung-fu classmates Yuan Pin and Yuen Hua compliments Toho Studio style special optical effects.