At Bletchley Park in 1943, a gifted cryptographer races to break the Nazi U-boat cipher while a traitor threatens the Allied war effort.
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At Bletchley Park in 1943, a gifted cryptographer races to break the Nazi U-boat cipher while a traitor threatens the Allied war effort.
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England 1943. Much of the infamous Nazi Enigma code has been cracked. But Shark, the impenetrable operational cipher used by Nazi U-boats, has masked the Germans' movements, allowing them to destroy a record number of Allied vessels. Feeling that the lives of Allied sailors are in their hands, a top-secret team of British cryptographers works feverishly around the clock to break Shark. And when brilliant mathematician Tom Jericho succeeds, it is the stuff of legend. . . .
Until the unthinkabl...
What's Inside
will contain mild spoilers
Sexual content
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Ex-lover subplot with sensual/sexual situations; seduction themes, not highly graphic
Violence & gore
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U-boat attacks on convoys; wartime deaths and peril without extended gore
Profanity
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Occasional strong language consistent with adult wartime thriller tone
Substance use
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Social drinking in wartime British military and codebreaking settings
LGBTQ+ Rep.
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No evidence found in available sources
Religious content
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No evidence found in available sources
Magic & witchcraft
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No fantasy magic or witchcraft present
Occult / demonology
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No occult or demonology content present
Political content
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WWII Allied–Nazi conflict; secrecy, loyalty, and intelligence ethics
Self-harm / suicide
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No evidence found in available sources
Abuse & suffering
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Wartime sailor deaths and psychological strain of codebreaking work
Other
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No information found