 Stef and Lies want to share an apartment together; Jeanne is heartbroken to hear they will leave, until Filip presents to her rich young viscount Jean-François who is looking for a student room, and would pay for two adjacent rooms after knocking down a wall. Odilon finds the use of a bowling-ball to stretch his new jailer s kepi painful. Saskia tries to trick Jeanne using a photo of a relative who s the king s double to pretend a royal prince is interested in the room, but Filip proves H.H. is becoming a cadet in another city...