Survivors from a massive earthquake struggle for a new life in Seoul.

While investigating a terroristic threat that goes viral online, Korean authorities discover that a suspect has recently boarded an international flight bound for the United States. When a healthy passenger on the same flight suddenly dies a gruesome death of unknown cause, panic erupts both in-flight and on the ground. With steadily decreasing fuel and international refusals to offer aid, the captain and crew will be forced to take unprecedented emergency measures in an attempt to save the lives of their passengers.

About a 27-year-old lawyer with Asperger's syndrome. Due to her high IQ of 164, impressive memory, and creative thought process, the brilliant Woo Young Woo graduated at the top of her class from a prestigious law school.

Song Ah is a 29-year-old music major, but this is actually her second time in college. Despite her passion for music, the fact that she started later than her peers means she faces hurdles everywhere she goes.

With the help of a gutsy female detective, a prosecutor who has lost the ability to feel empathy tackles a murder case amid political corruption.