USSR,1983.Sovietcosmonaut-heroVladimirVeshnyakovbringsanaliencreaturetotheearth...inhisownbody.Inthesecretlaboratoryoftheclosedregimecity,neurophysiologistTatyanaKlimovatriestosavetheastronautfromthemonster,discoveringthatsheisexperiencingmuchmorethanprofessionalinterestinherpatient.