George Whitebrooke: Operation Sledgehammer(2023)

1973. The Paris Peace Accords have been signed, but armistice in Vietnam remains a dream. A covert CIA operation led by the erratic field agent Adrian Brooks goes sideways, and his entire team disappears. The Agency turns to their British brethren of the MI6 for assistance, and gentleman spy George Whitebrooke is sent to the region to solve the mystery.