Stan
Matthew Bennell notices that several of his friends are complaining that their close relatives are in some way different. When questioned later they themselves seem changed, as they deny everything or make lame excuses. As the invaders increase in number they become more open and Bennell, who has by now witnessed an attempted 'replacement', realises that he and his friends must escape or suffer the same fate.
Marsdon
Attendees at a horror-film convention in San Francisco keep disappearing. It turns out that the guest of honor is a real vampire, and his henchmen are kidnapping the convention guests. A horror writer, a Sherlock Holmes fan and an Israeli Nazi-hunter set out to stop him.
Bartender
A fortuneless auto mechanic inherits a billion dollar financial empire when his uncle dies. However, there is one stipulation. In order to claim his fortune he must arrive in San Francisco within twenty days, and along the way there are a number of people who want to "share" his wealth.
