[s4e16] Silent Service Access

: Investigating the sudden illness of the navigator and conn officer, they discover the morning meal was spiked with syrup of ipecac, forcing the sub to surface dangerously in the middle of a civilian regatta.

The story reaches its climax when the saboteur realizes Harm and Mac are onto him. He attempts to eliminate them to protect his hero persona, leading to a high-stakes confrontation in the cramped, pressurized corridors of the submarine before he is finally apprehended.

: The investigator eventually identifies Hodge , a crew member suffering from Münchausen syndrome by proxy . Hodge has been intentionally causing life-threatening emergencies so he can swoop in, act as the hero, and "save" his shipmates. [S4E16] Silent Service

The The Silent Service on Prime Video.

'The Silent Service' Season 2 Prime Video Review: Stream It Or Skip It? : Investigating the sudden illness of the navigator

The atmosphere on the submarine is tense. Chief Petty Officer Basilio warns Mac and Harm that the boat is "spooked," as crew members keep getting sick or injured under mysterious circumstances. The investigation reveals a chilling pattern of sabotage:

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: A crewman is killed when a high-pressure steam pipe fails—not due to age, but because it was precisely nicked with a scalpel.