A Knife Edge

When a scientist is found dead after a fall from a military research ship and an attack by a massive shark off the Japanese coast, Special Investigator Vin Cooper suspects foul play behind the apparent accident. His investigation reveals a web of deception linked to a top-secret military project involving marine biology and genetic research, leading him to confront ominous truths. As more suspicious deaths occur, Cooper races against a shadowy force determined to eliminate anyone who threatens their covert operations.