Shock to the System

"Shock to the System" is the 1014th episode of Casualty and the 10th episode of the 31st series. It was preceded by "Night of the Loving Dead". This episode sees the arrival of Sebastian Grayling, portrayed by Rik Makarem.

Synopsis
Dervla goes missing and Dylan's distraught; could the new F1 have something to do with it?