It is 2046. Detective Ross Sylibus is reassigned to Mars after a country singer on her flight is murdered. Complicating the situation, the singer is a "Third"—a robot that looks and feels like a human. Sylibus is paired with Armitage, a beautiful female cop with a bad attitude. As they investigate the murder of the singer and other women on Mars, they uncover a conspiracy that could get them both killed by the Martian government.