In the heart of World War II, a brave submariner, the captain of a French submarine, finds himself trapped in the dangerous struggle between allies and enemies in the Atlantic Ocean. As his crew navigates treacherous waters, they discover that a relentless enemy has infiltrated their midst, lurking with cunning and determination. Tension escalates when a series of aerial attacks put to the test not only their bravery but also the loyalty among the members of their team.
As the plot unfolds, this captain is forced to rely on his instincts and skills, in addition to seeking the truth behind the betrayal that looms over them. The enjoyable nights on the submarine's deck soon turn into moments of mistrust as the men face their inner demons. With the narrative vibrating between suspense and drama, the values of camaraderie and sacrifice stand out, illustrating how in times of war, what is most fragile can be trust.
As confrontations intensify and danger lurks around every corner, the captain will fight not only for the safety of his crew but for the honor of his country, taking the audience on an emotional roller coaster. With unexpected twists and a tense atmosphere, the story becomes a powerful reminder of the sacrifices made by the men and women who fought in one of the darkest times in history.