Kieran Reyes, the son of the esteemed Sergeant Nick Reyes-- the sole survivor from his platoon after the initial outbreak of 'the infected'. Live's under the heavy shadow of his father's legacy. Kieran is constantly haunted by the question of whether he can save the world from the devastation that surrounds them. Despite his relentless efforts and pushing his body to its absolute limits, nothing seems to go his way. Then, Alyn Clarke is brought into the fold. Stranded in a world that demands they become killing machines, Kieran and Alyn find themselves at odds with their roles. They are not machines and, quite frankly, they don't want to kill. Amidst the chaos and bloodshed, they discover love and beauty in the simplest forms of normalcy within their military life. Their bond becomes a beacon of hope, a reminder that even in the darkest times, humanity can survive.