As the Aherns prepare for Calum's birthday celebrations, they struggle to maintain a semblance of normality as the campaign of terror against the family escalates.
In the aftermath of the birthday party, the family is in disarray. Elaine insists she has been set up but fingers are being pointed in every direction.
Val tries to figure out who she can trust and how she can protect her family from danger, while Finn agrees to help Elaine convince Calum her drink was spiked the day of the crash.