I had actually thought that Peter May had wrapped up his Enzo Macleod mystery series with the previous installment. But Enzo rides one more time (if a little gingerly) in The Night Gate, which is advertised as the series finale.

Enzo, a Scotsman resident in France, has slowed down since the last book. He’s 65 now, and constantly on guard against the Covid-19 virus. He’s retired as a forensic science teacher and consultant, but when a skeleton is uncovered in the roots of a fallen tree in a picturesque town in the French Pyrenees, and that skeleton is dressed in the remains of a German officer’s uniform, the skull containing a bullet hole, Enzo is asked to take a look. He travels to the town with Dominique, his wife, and notices crime tape across the door of the house next door. There has been a murder there recently – a prominent art critic died inside of a slashed throat – but the local police ask Enzo to give them the benefit of his expertise. Though the culprit seems to be obvious – a German art broker was seen fleeing the crime scene covered in blood.

Enzo, however, is not sure about the man’s guilt. As he looks into the history of the murder house, he discovers that a former resident was involved in an audacious scheme to protect no less an artwork than the Mona Lisa, during World War II. A series of flashbacks tell us the story of Georgette Pignal, a young woman tasked by General de Gaulle himself with substituting a perfect copy for the original.

The Night Gate provided an enjoyable ride, relating a harrowing World War II adventure, along with the present-day heroics of a hero somewhat diminished by age and quarantine. I was left unsatisfied at the end, though – the resolution of the mystery was kind of a downer, and the extra surprise at the end was ambivalent.

If you’ve been following the series, you’ll want to read this one to cap things off. If you haven’t, this isn’t the place to start.