A group of tenants in an apartment block are being forced to move out so that it can be demolished. The tenants are reluctant to move, so the developers hire a local gang to 'persuade' them to leave. Fortunately, visiting alien mechanical life-forms come to town. When they befriend the tenants, the aliens use their extraterrestrial abilities to defeat the developers.

Terry works for a bank, and uses computers to communicate with clients all over the world. One day she gets a coded message from an unknown source. After decoding the message, Terry becomes embroiled in an espionage ring. People are killed, and Terry is chased. Throughout she remains in contact with this unknown person, who needs Terry to help save his life.