At 3:15 a.m., the priceless Antioch Reliquary vanishes from the most secure chamber of the National Antiquities Vault. The cameras show an unbroken recording, the sensors report no breach, and the pedestal simply becomes empty. The institution faces public disgrace, and federal investigators suspect an inside job. Alexander Lin, the architect who designed the vault's surveillance infrastructure, is called in to examine a failure that appears to defy both engineering and ordinary logic. Lin notices something the software cannot explain: the server's physical behavior reveals a hidden computational spike at the exact moment the chalice disappears. The recording has not merely been edited in the conventional sense; sixty seconds of reality appear to have been removed while the digital archive was made to look continuous. Working alongside Vault Director Elena Vance and Supervisory Special Agent Lydia Sterling, Lin traces the anomaly through security systems, staff access, and the people who had the technical knowledge to conceal it. The investigation uncovers a conspiracy involving compromised access, the OmniStream Temporal Keyframe Engine, and Malcolm Cross, whose role in the missing minute connects the theft to a much larger manipulation of evidence. Every apparently perfect checksum becomes a reason for suspicion, while each new clue raises questions about what the archive can be trusted to prove. Lin must separate physical evidence from the story the machines have been instructed to tell, before the institution's cover-up destroys the case and its witnesses. Even after the apparent solution, the mystery refuses to stay confined to the vault. A later review of a private recording reveals another missing interval, and a secured drawer has been left slightly open. The final discovery suggests that someone still has access to Lin's private work and may be able to erase events without leaving a visible break in the record. A high-tech thriller about forensic truth, institutional power, and the fragile boundary between recorded evidence and reality, the novel closes on a chilling warning: the missing minute may not be over.