A man suffering from violent seizures enters a Los Angeles hospital, where soothing pulses are sent into his brain. But then he discovers how to get the pulses with increasing frequency, escapes from the hospital, and lapses into murderous rampages. By the author of "Jurassic Park".

A man suffering from violent seizures enters a Los Angeles hospital, where soothing pulses are sent into his brain. But then he discovers how to get the pulses with increasing frequency, escapes from the hospital, and lapses into murderous rampages. By the author of "Jurassic Park".