The Expanse Season 2 (2015)

It's the 23rd century, and technology has allowed humanity to expand its reach into the heavens. The whole solar system has been colonized, and things seem to be doing well. However, three people from very different walks of life make shocking discoveries that lead them to realize that the human race is in grave danger. Together, they must find a way to combat the vast conspiracy that they have uncovered before it is too late.