Warren's medical studies are interrupted by the appearance of Effie's ghost. Pam plots with Matron to escape from Wentworth prison but unfortunately she makes one bad joke too many. In a foolish prank, Warren injects himself with an unknown substance just to see what will happen. Reunited with his beloved Effie in Heaven, Warren is unaware that down below in St Christopher's the gallant staff are racing against time to save his life...