"People eat fish, fish don't eat people"! Well, that might be the theory but when a meddlesome couple accidentally release a swimming pool's worth of genetically modified fish into a river, we discover that that mantra isn't strictly true! It's only because "Dr. Hoak" (Kevin McCarthy) is at the facility that our interfering pair - "Maggie" (Heather Menzies-Ulrich) and "Paul" (Bradford Dillman) learn of the potential disaster scenario looming - especially when they realise that there is a water park down the river populated with loads of noisy, bitesized, tourists just perfect for their peckish... read the rest.