GeorgeStarkisawealthyindustrialistwhoinvitesfivebusinessfriendsofhistohisremoteMediterraneanislandforaweekendofrelaxationandbusinesswhenheintroducesthemtoProfessorFarrell,abrilliantchemistwhogivesinvestmentideastothegroup.ButagainstFarrell'swishes,thegroupgoesbehindeachother'sbacktoobtaininformationonFarrell'schemistryideasandsoontheguestsandresidentsstartturningupdeadonebyoneasStarkandFarrellmustrallythegrouptogethertodeterminetheidentityofthekillerdespitenobodytrustinganyone.