Set in a near-future Los Angeles occupied by an enigmatic
extraterrestrial force known as the Hosts, *Colony* follows Will Bowman, a former FBI agent, and his wife Katie. The city is sealed off from the outside world by a massive, impenetrable wall, divided into stratified blocks, and brutally policed by human collaborators known as the Redcaps, overseen by the occupying alien regime.Seeking to protect their
fractured family after being separated from their youngest son during the invasion, Will is blackmailed by Transitional Authority Governor Snyder. Forced to use his old investigative skills, Will must hunt down members of the Resistance, a desperate underground rebel movement fighting the occupation. Unknown to Will, Katie has already secretly joined this very Resistance, driven by a fierce desire to reclaim their stolen freedom and protect their remaining children. This secret creates a tense domestic dynamic, forcing the couple to lie to each other while navigating lethal political games.As Will climbs the ranks within the collaborationist government to secure safety for his family, Katie sinks deeper into violent extremist activities, committing acts of sabotage that frequently intersect with Will's investigations. Their conflicting loyalties tear at the fabric of their marriage. Meanwhile, eldest son Bram discovers the grim reality of the occupation and the brutal labor camps outside the wall known as the Factory, to which dissidents are routinely deported.The narrative escalates when the Bowmans learn the terrifying truth about the occupation: the Hosts are not merely ruling the colony, they are preparing it for an apocalyptic culling as part of an interstellar war against an even more ruthless enemy. Driven by desperation, Will and Katie finally share their secrets, uniting to rescue Bram from the Factory. However, their escape plan is shattered when Snyder betrays them. Will is forcibly conscripted into the military and flown away to an unknown frontline as humanity’s fate hangs in the balance, leaving Katie and the remaining children stranded behind the colossal walls, facing a bleak and uncertain future under alien rule.