Despite being expelled from Stanford, Chuck returns to the school for homecoming to help a professor—who just happens to be a government operative. In the process, Chuck unearths deep secrets about his erstwhile pal Bryce Larkin. Meanwhile, Morgan squares off against Buy More’s rookie assistant manager.
At Stanford, Professor Fleming lectures on subliminal encoding. He spies a big man enter the hall as the class is leaving, so he grabs his briefcase and runs into his office. While scooping stuff into his briefcase he makes a call, using code name Black Castle. He’s made a mistake by copying intel onto a disk - now they’re after it. He disappears down a trap door in the closet as the big guy busts through the door.
