Conundrum 2: The Mysterious Case of the Missing Donuts

It is a truth universally acknowledged, that a good donut is hard to find.

But what happens when the donuts go missing?

The Committee of Conundrums has been called to investigate.

Read on for Conundrum 3: The Baffling Case of the Broken Toaster

Or, for Conundrum 5: The Enigmatic Case of the Haunted Coffee Mug

(Note: I've assumed a fictional 'Conundrums' subpage exists, as per point 4 of the rules)