The lab is surrounded by protesters hurling eggs and threats. The Dean is too busy selling the eggs as well as doing a roaring trade in several varieties of Dutch cake to help. And the best thing to be said of Cara's attempt to solve the security problem is that it's slightly less risky or blood-thirsty than either the Prof's or Brian's.

In the meantime, Joan Armatrading is taking part in an anti-Arnolfini Live Aid-style event in the college grounds. Can Alex manage to stop accidentally offending the hordes before they storm the place?