The Expanse is a thriller set two hundred years in the future, after mankind has colonized the solar system. A hardened detective (Thomas Jane, I) and a rogue ship's captain (Steven Strait, Magic City) come together for what starts as the case of a missing young woman and evolves into a race across the solar system to expose the greatest conspiracy in human history. The Expanse is a thriller set two hundred years in the future, after mankind has colonized the solar system. A hardened detective (Thomas Jane, I) and a rogue ship's captain (Steven Strait, Magic City) come together for what starts as the case of a missing young woman and evolves into a race across the solar system to expose the greatest conspiracy in human history. As the war between Earth and Mars ignites across the solar system, the terrifying next phase in the evolution of the protomolecule threatens the very existence of humanity. Caught in the middle, the Rocinante crew struggles to deal with tensions amongst themselves, while striving to survive and aid those in peril.