Blake's 7 - The Classic Adventures 2.1: Scimitar

The crew of the Liberator awaken to find one of their own missing. Where is Dayna? Has their friend been taken or has she deserted them? The search for Dayna leads them to a deserted ship in the middle of a dangerous asteroid field. But what is the secret of the Scimitar and can Avon get every member of his crew out of the asteroid field alive?