Thorpeness, 1973. Wrongly exiled from London, Judge Neville Hanmer sought solace and a quiet life on the Suffolk coast. But then a face from the past unexpectedly resurfaces and he turns to the Anglian Detective Agency for help. Laurel, Frank, and the rest of the team are busier than ever trying to solve the mysterious theft of rare plants from Yoxford Hall Gardens. But when Judge Hanmer doesn't show for their meeting, they find themselves embroiled in yet another case - one that will take them to darker places than they've ever been before. With Laurel and Frank's relationship see-sawing out of control, can the team uncover the truth before it's too late? Or will a depraved killer succeed, and separate Laurel and Frank forever?