An anomalous phenomenon called the Gap - either a corridor in time, or a tunnel in space - is the most guarded secret of the US government. But hidden inside this secret is another one - which only a few know about. And it is much more dangerous... During the US President's address to the nation, a successful missile strike was carried out on the White House. A note found at a mothballed military facility indicated that the Tangent scientific group, guarding and studying the Breach, was involved in this attack. In response, the new president carried out a massive bombing of the Tangent territory. The organization’s special agent Travis Chase managed to evacuate a significant part of the “keepers of the Breach” in time. Now he has to find out who was really behind the attack on the White House. And who left a note that pointed to a terrible secret kept by a few initiates since the emergence of the Breach...