Choi Kang-woo, a former police and leader of Taeyang Insurance's investigators team, decides to create his own investigation team, after an airplane crash that took the life of his wife and son.
Choi Kang-woo, mantan polisi dan pemimpin tim penyelidik Taeyang Insurance, memutuskan untuk membuat tim investigasi sendiri, setelah kecelakaan pesawat terbang yang membawa kehidupan istri dan anaknya.