The new Master of Porterhouse threatens a break with tradition in the most conservative of Cambridge's colleges, to the horror of the Fellows and of the Porter - the redoubtable Skullion.

Lionel is in trouble, he has left Skullion for dead and is obsessed with Mrs Biggs.

Zipser awakes from a drunken stupor with four gross of contraceptives. Skullion's attempts to clear up the problem are revealing.

The Dean and Sir Cathcart D'Eath enlist a journalist's help to end the new Master's regime.