Strain: Strategic Armored Infantry

In a time of war, Sara Werec dreams of taking up the Union cause in their endless fight against the Deague. At the top of her academy class, she has inherited the amazing piloting skills of her legendary brother Ralph.

Sara has a new purpose: confront her treasonous brother. Enlisted at a new school, and struggling to master the less agile Gambee mechs, Sara wrestles with the rigors of training and the scorn of her peers.

A Reasoner named Lottie thinks she and rookie Sara might be kindred spirits, believing both of them to be girls lost and alone in the void between stars.

Sara has entered into battle utilizing the Mimic Emily and a custom Strain. Her team is shocked as she rushes toward a confrontation with the feared Ralph Werec.

The Libertad is pushing through space in search of repair. If the crew is to survive the journey, new tactics must be devised to succeed against such an unpredictable enemy.

The Spatial Armor Division is having a party, but the gathering is about to be crashed by some uninvited guests - the Libertad falls under attack!

Sara has captured the heart of Lavinia, who goes to severe lengths to snare her new obsession. Most of her ploys end up falling short, and the heartsick girl keeps making a fool of herself in very public ways.

Emily is missing and likely in danger, so Sara and the team will have to venture out into the city to recover her. But the search is interrupted by a mysterious little girl and the arrival of a strange vessel.

Sara is suspected of treason after her ties to Ralph are exposed. The Spatial Armor Division is reeling from the revelation - especially Lottie.

The horrible history of Emily's kind is revealed, and the shocking truth might explain Ralph's treason. But there has never been an explanation offered for Sara's ability to link with Emily.

Sara is certain her brother is tearing across the stars to reach the Mimic Emily - and Medlock is certain that Ralph has lost his mind, forcing her to seek sanctuary with those she once vowed to kill.

The Spatial Armor Division has taken flight and all the heroes of the Union must reach deep into their courage to stop Ralph Werec in his mission to punish humanity.

Sara feels betrayed by blood. Ralph feels betrayed by humanity. Between them waits a little girl who has felt the pains of an entire species. In the vast reaches of space, a war which has raged for generations comes to a climax.