Emerson Kent is a disillusioned CIA black ops agent tasked with protecting Katherine, a code operator at a covert broadcasting station that transmits encrypted messages to field agents. Emerson, grappling with a violent incident from his past, is assigned the seemingly uneventful job of guarding the remote station. However, their routine is abruptly shattered when the facility comes under siege. Intruders breach the station, killing the support staff and initiating protocols that isolate Emerson and Katherine within the facility.

As they scramble to understand the motives and objectives of their attackers, the duo discovers that crucial encoded messages have been tampered with, potentially compromising ongoing missions. With time running out and trust a scarce commodity, Emerson and Katherine must navigate a series of escalating threats to secure vital intelligence and thwart a devastating plot. Their isolated location demands resourcefulness and quick thinking as Emerson confronts both external dangers and his internal demons.