Overview:Three young adults land in Emergency after a house party, all suffering different symptoms. Can the All Saints team discover the cause before it's too late? Dan attempts to conceal his fears about Erica's disappearance by throwing himself into work helping Mike remove a nail from a man's hand. But that may prove harder than expected. When the rest of the team learns of Erica's disappearance they search for ways they can help Dan through this difficult time.