The Victorian philanthropist Robert Downing had such high ideals when he established the Mutual Thrift and Improvement Society to help and encourage his employees.

But that was over a century ago, and during the intervening years the Society has become really quite wealthy - a fact which the members of the Committee have noticed.

      And exploited.

But faced with a challenge from outside their ranks, and amid the in-fighting, greed and betrayal, would any of them actually stoop to murder to protect their past - or their future?

Whose guilt or avarice or jealousy could be so strong?