The Secret Service

Two British-designed desalination plants are destroyed in coordinated explosions, threatening water supplies and hinting at sabotage. Father Unwin and Matthew trace clues across borders, uncovering a plot to destabilize allies through engineered shortages and fear before more vital infrastructure is targeted.

Intelligence suggests enemy agent George Grey is being sheltered by respected figure Sir Humphrey Burton. Unwin and Matthew navigate deception and social privilege, probing Burtons estate to expose whether loyalty to country is being betrayed behind a façade of honor.

Classified aerial photos of a World Air Force fighter are circulating on the black market. Racing to intercept the leak, Unwin and Matthew follow a trail of brokers and double agents, determined to stop sensitive technology from reaching hostile hands.

One million pounds in used banknotes speeds toward London by express train, drawing criminal interest. Unwin and Matthew board the journey undercover, guarding the cargo while identifying who plans to hijack the fortune before it reaches its destination.

Top-secret plans are slipping into the wrong hands through a hidden channel. Unwin and Matthew investigate compromised offices and coded messages, working to plug the leak before national security is irreparably damaged.

The Bishop tasks Unwin and Matthew with auditing critical security arrangements after alarming breaches. Their inspection uncovers overlooked vulnerabilities, forcing them into the field to quietly correct flaws before enemies exploit them.