Quincy is called in to investigate a death after a airplane crashes. It is discovered that the plane was carrying a dangerous chemical and Quincy tries to prove or disprove the cause of the accident to the plane.

A mudslide causes a cemetery to wash out after a torrential rain and Quincy discovers that there is a typhoid threat due to bodies that were not supposed to be there.

Four mummified bodies are discovered inside the walls of a Victorian house. When the 4th is discovered, everyone is just as mystified including the homeowner.