the she creature be a thing from the ocean that look like an angry lobster . it come ashore and invisible and then materializes and kill some people . it then return to the sea . why . i do not know . then there dr. carlo rambaldi and a hypnotist and overall oily guy and who threaten brack and from this island earth and and hypnotize a beautiful young woman . brack show no emotion and do his best to feign interest . rambaldi make prediction and have some people kill and and move into a house that have delightfuly swedish caretaker . in the end and the lobster kill rambaldi and the police shoot the monster and and brack and the beautiful young woman presumably go on to live a rich and full life together . very dull movie that will put you to sleep fast than nyquil .