Proudly declaring itself under the sole direction of Maurice Elvey, the biggest mystery about this drama set at the Royal Naval College at Dartmouth during what seems to have been a glorious final summer before the war is how the murder was committed, since we're never told.
Meanwhile a dapper foreign agent (whose real name is revealed at the last minute to have been 'Muller') uses forged or stolen secret service credentials to enjoy the run of the place unchallenged; the 'MacGuffin' being "secret enemy minefields".
Meanwhile a dapper foreign agent (whose real name is revealed at the last minute to have been 'Muller') uses forged or stolen secret service credentials to enjoy the run of the place unchallenged; the 'MacGuffin' being "secret enemy minefields".