Mary is a communications expert, passionate and compassionate about the strange and often unnerving life forms she encounters on her travels to distant galaxies. Non-interference is the rule, but emotional and erotic entanglements cannot always be avoided and scientific detachment is not always easy to maintain. In this tale, sex and sci-fi meet and intermingle with often hilarious results as Mary explores her own sexuality with colleagues and friends, such as the hermaphroditic Martian, Vly.