Lieutenant Commander Matthew Reddy waits for his destroyer, the Walker, to be repaired after battling alongside their Lemurian allies to repel the savage Grik, and questions the loyalties of Commodore Jenks, who may be devoted to those representing an even greater danger.

Matt Reddy sets off in pursuit of a rogue Japanese destroyer, the Hidoiame, while the invasion of Grik "Indiaa" begins with the Human-Lemurian Alliance fighting against the Dominion.

Commander Matt Reddy and his crew are afraid it may finally be the end of the USS Walker. Ever since their ship was transported to another world, and they became embroiled in a deadly conflict between the Lemurians and the vicious Grik, the Walker has been taking a pounding. With Walker out of commission for repairs, Reddy takes command of a different ship and joins a desperate battle to block the Grik swarm. Meanwhile, the humans and their allies...

Time is running out for the Grand Human and Lemurian Alliance. The longer they take to prepare for their confrontations with the reptilian Grik, the Holy Dominion, and the League of Tripoli, the stronger their enemies become. Ready or not, they have to move - or the price in blood will break them. Matt Reddy and his battered old destroyer USS Walker lead the greatest army the humans and their Lemurian allies have ever assembled up the Zambezi toward...

Reddy and his crew have given their all to protect the oppressed Lemurians. But with Walker in desperate need of repairs just as the Grik's First General is poised to strike, Reddy is desperate. With more enemies than ever before arrayed against them, the crew of Walker needs new allies. That means combing the lethal wilds of Madagascar to find the Lemurians' fabled ancestors, as well as the enigmatic dwellers east of the Pass of Fire. But what Reddy's...