Playing With Fire - S10.E20

Jonesy pushes Tess to watch a birthing video and name her unborn child. A young man, Rory, suffering from Schizophrenia takes a strange liking to Tess, believing her to be an angel. When a fire starts in Rory's home both the father and son blame each other, but a series of strange fires point the finger of suspicious at the father - but why? Jonesy thinks Rory is just eccentric, but when Rory cracks its Tess who is most at risk.