This is the backstory of Hana and Joon Seung, characters in the series "MARS" on Nat Geo. The twin sisters are struggling to fit into their new home and find a ham radio, allowing them to develop a friendship with a female astronaut..

In the 1980s a group of foreign-born Korean teenagers who meet at a Seoul summer camp to learn what it means to be Korean. The three boys, from the U.S., Mexico, and Germany, then meet three girls who rock their world.

A manic-depressive mess of a father tries to win back his wife by attempting to take full responsibility of their two young, spirited daughters, who don't make the overwhelming task any easier.