Rosie knocks John out and races out of the house with Fiz in hot pursuit.
Stunned by what John has done, Fiz manages to persuade Rosie she wants to help and calls the police.
Later, poor Fiz is left devastated and has to tell Kirk and Julie whatâs been going on.
Elsewhere, Peter offers to get some fireworks for Simon â but by nightfall he still hasnât returned.