Champion of the mystery section at a small Minnesota library, Karen Nash is embarking on a dream tour of London inspired by her favorite British mysteries. But she's clueless why the love of her mid-life dumped her hours before takeoff -- until she spies him at the airport with a young honey! Deciding the best revenge is to get on the plane, Karen checks into a cozy B & B run by a charming bibliophile. But that night a guest drops out of circulation -- permanently.