October 1943: Lt. Commander Jack Tremain returns to the Pacific theater. He's recovered from his wounds, but not from the loss of his wife. Plunging back into sea duty, he takes on a new sub and a new missionto intercept a Japanese tanker convoy.
But when Tremain spots the *Shigure*the Japanese destroyer that sank his beloved first command, the Seatrouthe declares his own personal war on the dreaded ship known as the "Submarine Killer."
As he relentlessly pursues the enemy warship through raging storms and dangerous waters, nothing can stop Tremain's hell-bent obsession with sinking the Shigureat any cost