Dark Matter

Name: Dark Matter
Released: 2010-05-09
Duration: 90 min
Rating: 8.7
Cast: Liz Crowther, Warren Clarke, Deborah Cornelius, Sophie Ward, Robert Hardy

S4 E2 May 9, 2010 1h 30m ★ 8.7

Source:

Overview

When the master of a college is found dead at the foot of the observatory stairs, suspicion falls on all of the staff - from senior tutors right down to the scouts.