Murder at the Roadside Inn

When the bus he is on loses control and falls into a valley, Sydney and the survivors find shelter at a local inn. In the dead of night, the survivors find solace in each other’s company. Then, they find the first body.
The once-famed detective finds himself in the middle of a murder investigation, where anyone is a potential brutal killer. Is it just a coincidence that Sydney happened to be on board that bus that very night, or is he the true target?