The fall-out from the recent tragedy affects the whole department, and Iain confesses to Jan that he could have prevented it from happening but did not. His tormented conscience is pricked further by an encounter with an internet prankster who has had a similar experience of failing to avert a disaster.
Dylan is reunited with Ciara, who is struggling to control both her own alcoholism and that of a friend whom she has persuaded to go cold turkey, resulting in a potentially dangerous shock to her system.