A relative of the captain of U853, a German submarine believed to have sunk the Eagle 56, offers an intriguing clue: the carving of a horse, eerily similar to a symbol reported by the Eagle 56 crew.
After four years and countless dead ends, a team of civilian investigators has found pieces of the sunken Eagle 56, the Holy Grail of New England shipwrecks. They want to reveal their discoveries to both the Navy and the families of the warship's crew, but their case is not yet complete. They still need the last and most important piece of the wreckage: the ship's boilers. With winter quickly approaching, time is running out to find the final clue, solve the 75-year-old case, and honor the sailors who died in the disaster.
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