Weather Service Investigator Quick Quill is sent to determine how a fire started at the Canterlot Institute for Meteorology. Forecasts call for a mystery, with intermittent deception, and a sprinkle of mayonnaise.

Intrepid tramp Quick Quill lands a cushy job with the Equestrian Weather Service, and has the salary to prove it. But, Quill's life isn't all cider and sunshine: a storm is brewing and at its core, a maelstrom.