Editorial
Product Description
Someone's tampering with the telephone system - someone who knows how to turn an ordinary telephone into a terrifying death machine! An innocent girl is the first victim, killed when she answers a public telephone in the sub-way. In an attempt to find out why she died her former tutor (Richard Chamberlain), puts his own life in the balance in a race against time to find the diabolical mastermind who is controlling the killer machines.