The SIS team open their doors for the first time.

Invited to discover why a research laboratory is losing money, even though they have a monopoly in the medical research trade, the Protectors discover that someone is making overtures to the competition and is prepared to sing - for a price.

Accepting what appears to be a routine assignment, the SIS team suddenly find themselves involved in violence when they are framed by a gang of ruthless racketeers.