Ali and Su Li surprise the class when they announce that they're getting married. But Mr. Brown gets a much bigger shock when he finds out that Ali is already married and plans to take Su Li as his second wife.

Juan brings his Russian sailor friend Boris, who has come to England to escape Russia, to Mr. Brown's class. Boris explains that he wants to stay in England to be with his English girlfriend. Everything seems to be going all right until the captain of a Russian ship comes to the classroom looking for his roaming sailor.