The various faces of youth and people in an enclosed space of a convenience store for 12 hours.

An unfathomable incident introduces a genius engineer to dangerous secrets of the world — and to a woman from the future who’s come looking for him.

Jwa Yoon-Yi has lived her life with a passive attitude. She has a spirit of devotion and obedience. Nam Chi-Won is the director of HB Company, but he refuses interests…