Biohazard

We're in the year 1978. In order to protect our environment and especially our important crops the company BioTec is working together with Professor Robert Bishop to create a universal pesticide.But recently and out of nowhere the Professor has disappeared. BioTec is under suspicion. Did the company abuse the research results and transform the pesticide into a powerful bio weapon? If this weapon was ever used it would destroy and eliminate first plants, then animals and finally all of humanity! Will you be able to stop this catastrophe from happening and find the antidote in the professor's university laboratory?