Dr. Billy Chen thought he understood infectious disease. Then the first patient opened her mouth—and nothing came out. No cough. No blood. Just empty eyes staring at the ceiling.

The new plague doesn't spread through air or touch. It spreads through thought. One image. One idea. Once it enters your mind, your consciousness is erased within hours.

Billy is immune. For now.

But the infected are everywhere. And they're all looking at the same spot on the ceiling.

Billy has 72 hours to find a cure before his own mind becomes the weapon.