The Big Nothing (short science fiction movie: full video).

In science fiction movie The Big Nothing, directed and written by Lucy Campbell & Peter Ninos, when the captain of an isolated mining station near Saturn is murdered, Detective Lennox is sent to investigate the three remaining crew members.

Centered around a series of interrogations and flashback, Lennox discovers that everyone has a motive to kill. With otherworldly threats approaching and the killer amongst them, will everybody make it off the station?