Inoue Momoko admires her late father, who was a pilot. She begins work as a co-pilot at a low-cost airline. Under Captain Shinkai Kohei’s instructions, who knew her father, Inoue Momoko works hard to become a captain and her boyfriend Umino Daisuke supports her dream too. One day, Inoue Momoko has a problem with a passenger complaining about the limit for carry-on baggage. At that time, Katsuki Tetsuya looks at the situation.

A couple of months have passed since the serial murder case. A new dead body is found in the same area. Detective Manabu Kagaya tries to find the truth. He goes to see serial killer Yoshiharu Urano in prison.