Mr. Brown finds himself in a lot of trouble when Danielle tells Mr. Jarvis, a pestering Irish woodwork teacher at the school, that she is engaged to Mr. Brown. He soon finds himself running around the school in an attempt to squash the rumour, only to leave wrong impressions and ending up in the school gymnasium to box against the philandering teacher.

The students prepare to take their Lower Cambridge Certificate exam at the end of the first term. Mr. Brown has an encounter with a couple in the bar which might just come back to haunt him.