So here's what happens in it taking place during pre series 18 Jack and steph are reunited with Two Familiar faces from Jack's past (spoiler! It's Kim and Andrew and along with their one and a half year old baby Danny)
They spent the whole like the old times Jack
but Disaster by the arrival of new Science teacher
David Lucian
(Played by lucifer eh i mean tom ellis ) forcing the newly Reunited trio to help a pupil
Who has been manipulated into thinking Kim's dead
