In 2176, a Martian police unit is sent to pick up a highly dangerous criminal at a remote mining post. Upon arrival, the cops find the post deserted and something far more dangerous than any criminal — the original inhabitants of Mars, hellbent on getting their planet back.

After a mobster agrees to cooperate with an FBI investigation in order to stay out of prison, he's relocated by the authorities to a life of suburban anonymity as part of a witness protection program. It's not long before a couple of his new neighbours figure out his true identity and come knocking to see if he'd be up for one more hit—suburban style.

Having just returned from a mission to Mars, Commander Ross isn't exactly himself. He's slowly becoming a terrifying alien entity with one goal -- to procreate with human women! When countless women suffer gruesome deaths after bearing half-alien offspring, scientist Laura Baker and hired assassin Press Lennox use Eve, a more tempered alien clone, to find Ross and his brood. Before long Eve escapes to mate with Ross.

As a corporate auditor who works in a number of different offices, Jonathan McQuarry wanders without an anchor among New York's power brokers. A chance meeting with charismatic lawyer Wyatt Bose leads to Jonathan's introduction to The List, an underground sex club. Jonathan begins an affair with a woman known only as S, who introduces Jonathan to a world of treachery and murder.

2004 film by Howard Deutch

In 1993, the Search for Extra Terrestrial Intelligence Project receives a transmission detailing an alien DNA structure, along with instructions on how to splice it with human DNA. The result is Sil, a sensual but deadly creature who can change from a beautiful woman to an armour-plated killing machine in the blink of an eye.