Top marks for murder

Krimi. Daisy Wells and Hazel Wong are back at Deepdean School for Girls, where plans are underway for a most exciting event: the Anniversary Weekend. But as parents arrive at Deepdean, long-buried rivalries and secrets begin to surface. Then a shocking incident takes place in the woods. The girls are convinced this is murder - and everything points to one of the parents. And unless the killer is caught, Deepdean will close forever.