In the sci-fi thriller Species II (1998), humanity faces a new threat from outer space. Astronaut Patrick Ross (Justin Lazar) returns to Earth from a mission to Mars, unaware that he has been infected with alien DNA. Now he is transformed into a deadly hybrid that seeks to reproduce and destroy. Agent Preston Lennox (Michael Madsen) and scientist Laura Baker (Marg Helgenberger) team up to stop him before he sows chaos and death on the planet.