Synopsis for 'Warden of J-sploitation' Yasushi Koshizaka's Planet of Amoebas (Puranetto obu amêba) - f.k.a. Kankin wakusei amêba - from the international sales agent for the movie, CREi Inc. (K.K. Kurei): "Over the skies of Japan, women are trapped in a meteor. After being impregnated by the physical forms of mysterious amoeba, they are returned to earth. Rei (Nanami Kawakami) chances upon one of these women who fell from the sky. Upon learning the truth, her [sister] Ami (Rina Usaki) is spirited away by the meteor. Coerced into cooperating with the Ministry of Defense, Rei sets out on a solo mission to the meteor..."