The story is based around "spermulites", the alien inhabitants of a dying planet. The only way they can save their planet is by sucking the men of planet earth dry of sperm, kind of like horny vampires.
1985
2002
1999
1995
2008
2001
2023
1997
1992
2005
2006
1973
2009
2007
1972
2013
2014
1989