Part 3/7:

Harry Calder, portrayed as a diligent safety inspector, receives a shocking call from his boss, Mr. Davenport, notifying him of the horrific incident. Despite believing he had cleared the park of dangers just months prior, Harry rushes to the scene of the accident. There, he encounters Benny, a traumatized employee who reveals having seen a mechanic named Wayne inspecting the roller coaster just before the tragedy. This discrepancy spurs Harry’s investigation, as he suspects foul play and an impostor in place of the mechanic.