Shin Cha Il becomes the new head of JU Construction's Audit Team. He reopens an investigation into a tower crane accident, suspecting corruption. At the construction site, he discovers incriminating evidence on the foreman's laptop.
Cha Il investigates Senior Managing Director Seo and VP Hwang, but evidence gets tampered. He focuses on the tower crane operator's role on the accident day, uncovering anomalies.
