The world is left in tatters after a sudden, unprovoked and unexplained invasion by aliens, leaving the planet’s remaining human population to fight for survival against the occupiers. History professor Tom Mason has been named second in command for the 2nd Mass, but his real focus is on his three sons, one of whom has been captured by the aliens for an unknown purpose.

The final standoff brings the Masons, the 2nd Mass, and their new allies into the bowels of an iconic American location, wrought with new and unpredictable obstacles. Despite great loss along the way, they must persevere with hopes of once and for all reclaiming Earth and humanity.

While scouting for supplies, Tom, Hal and their squad encounter a gang of marauders determined to get their hands on the 2nd Massachusetts’ weapons. Leading the gang is an ex-con named John Pope, who decides to use his hostages as bargaining material.

On the outskirts of Charleston, just steps away from perceived safety, The Mason Clan and the remaining 2nd Mass suddenly find themselves under brutal attack by a new Espheni war machine – and a new, deadly creation unlike anything previously encountered. Divided like chattel and spread to the winds, The Masons must each forge new relationships and abilities to survive. myserial.ge

The Espheni reveal their new plan to Tom, and he is faced with an impossible decision. Meanwhile, Weaver and Pope investigate a way out of the Espheni prison, while Matt struggles to hide his true allegiance from the “Team Leaders” at the Espheni Youth Camp. Elsewhere, Anne leads an exhausting search for her daughter Lexi, while Ben’s concerns about Lexi’s increasing powers uncovers a devastating secret she’s been keeping.

After months apart, Tom finally reunites with his family and the 2nd Mass. But the joyous reunion is cut short as Lexi undergoes a health crisis tied to her hybrid DNA. The crisis pits family members against one another as they fight over how to deal with Lexi’s illness. Anne goes to great lengths to save her daughter.

The 2nd Mass picks up the pieces after a devastating alien attack leaves Maggie fighting for her life…and Hal fighting for Maggie. Meanwhile, Tom and Dingaan are cut off from the rest of the group, buried under tons of rubble, where they must rely on an Enemy Ship to rescue them.

Dr. Michael Harris joins the 2nd Mass with a theory about what might save the teenagers abducted by the aliens. But the plan could be derailed when Tom starts digging for answers to questions that have haunted him since the early days of the invasion. The 2nd Mass comes face to face with skitters and mechs when they attempt to rescue Ben.

After freeing Matt from the Espheni Youth Camp, Tom encounters two mysterious strangers in the woods, who attack his family before embarking with him on a violent journey. Hal faces almost insurmountable odds as he tries to lead the remaining Volm and 2nd Mass to a place of perceived safety. Lexi and Anne have a difference of opinions – resulting in dangerous consequences.

While members of the 2nd Mass attempt to dig out a shot-down Beamer, Tom and a small team follow the Volm to a supply cache in search of equipment to expedite the process. Along the way, they encounter a friend, and must decide whether or not to trust her. Back at camp, Maggie and Ben grow closer as he teaches her to hone her new skills, while Pope and Sara continue to clash, resulting in a fight from which they may never recover.

Tom’s mission to destroy the Espheni Power Core is complicated by Lexi’s return. Lexi is forced to take extreme measures to save her father’s life – and her own – after a Beamer malfunction. Meanwhile, the 2nd Mass fears an impending Espheni strike by the scorched Overlord.

When a mission goes terribly awry, Tom and Pope must rely on each other to survive. Meanwhile, Weaver and company search desperately for two members of the 2nd Mass who have gone missing. And Marina takes matters into her own hands in Charleston, disregarding Tom’s authority.

After breaking out of the Espheni Ghetto, Tom and the 2nd Mass seek refuge in a Volm hideout, where tensions run high between the Volm and humans. Tom sets off with Weaver and Cochise to find Matt, leaving Hal in charge. Meanwhile in Chinatown, Anne is reunited with Lexi, and comes to realize that the little girl she saw 6 months ago is now a grown woman.

Tom and the remnants of the 2nd Mass learn to pilot a Beamer as part of their plan to destroy the Espheni Power Core, and the group draws straws to see who will embark on the dangerous mission. The threat of death hanging over everyone triggers long-simmering confrontations between many of our main characters, ultimately bringing the 2nd Mass closer together.

Tom and his team head out to track down more motorcycles for the 2nd Mass., relying on Pope to guide them to a good location. They hit the jackpot until they meet some skitters and harnessed teenagers at the bike shop. Back at the base, Dr. Harris and Anne disagree over the best method to gather more intelligence on the aliens.

The two-year anniversary of the alien invasion is fast approaching as the people of Charleston prepare for another potentially devastating offensive. A sniper attack by an unlikely gunman creates questions and doubts within the new government. Hal believes he knows the identity of the mole. And Anne’s concern for her baby continues to grow.

After the people of Charleston defeat another alien attack with the help of new advanced weaponry, Tom is invited to meet with a powerful leader. While Hal wrestles with an invasive evil, Ben struggles with his identity and the notion of being human again. And Anne uncovers startling new information that puts everyone in jeopardy.

Hal finally reveals his internal struggle to everyone, and it doesn’t bode well for the Masons. Lourdes experiments with a risky new medical procedure. And Charleston’s government sees a massive shift in leadership when a group breaks away on a search and rescue mission.

The Masons run into trouble on the road when a family of outlaws intercepts their search-and-rescue mission. Meanwhile, looming doubts over the construction of a massive alien weapon ignite a conflict of interests. And an investigation to apprehend a killer on the loose hits a road block.

Things seem much too calm for Tom, making him suspicious of his surroundings. On his way back to Charleston, he makes a number of discoveries, some incredibly surprising and others utterly horrifying. Meanwhile, Weaver and Pope butt heads over how to handle the suspected mole.

Lexi emerges more powerful and ruthless than ever. Tom and the 2nd Mass must work together with the Volm to hold off the invading Espheni forces in what becomes the bloodiest battle of the series.

A mission to procure vehicles and fuel goes awry, and a desperate Pope takes things into his own hands. Cochise shares troubling news with Anne.

With hostilities escalating between the resistance and the alien invaders, Tom calls on a nuclear specialist known as "The Rat King" to come up with a plan that will strip the aliens of their power. As suspicion continues to mount about a mole within the resistance, Tom and his leaders make a drastic decision that jeopardizes trust among the group. Anne, meanwhile, has a feeling that all is not right with her newborn.

Tom and the 2nd Mass hatch an elaborate plan to escape the confines of the Espheni Ghetto. Meanwhile back in Chinatown, after learning from Ben that Lexi has been keeping a deadly secret, Maggie confronts Lexi publicly. At the Espheni Youth Camp, Matt tries to talk Mira out of a dangerous escape plan. While trekking through the woods with her guerilla fighters, Anne has a flashback to her time in the Espheni Tower with Karen, where a terrifying secret about Lexi is revealed.

Injured, Tom takes refuge with a unique family who has distanced themselves from the fight, giving him a glimpse of life without war. Hal and Isabella's romance grows as they search for a missing Tom. Meanwhile, The 2nd Mass locates an Espheni device that could be a linchpin to winning the war if they can figure out how to use it. And Maggie makes a decision that has consequences for her and the entire 2nd Mass.