In 1987, a bloody man jumps into a women’s university dormitory in Seoul. Young Ro, a female university student who falls in love with him at first sight on a group blind date, takes care of him despite the strict surveillance and dangerous situation. However, Young Ro is shocked to learn his secret. Despite heartbreakingly watching over his first love Young Ro, Soo Ho has no choice but to move according to the command in order to save his teammates and to go back to his home country where his sibling awaits. Young Ro rejects the will of her father and works hand in hand with Soo Ho to save her beloved man and her friends. What will happen to their fate? (Source: Disney+) ~~ Adapted from the handwritten journal of a North Korean defector.