You are a SETI agent: a diplomat who has travelled for two-hundred years to make first contact with the tidally-locked planet of Triune—a world caught in eternal twilight. You have one job: convince the native ‘Tortans’ to build a faster-than-light communications device capable of contacting Earth, thus cementing an alliance between your two species. To succeed, you’ll need a quick wit, a silver tongue and an iron-clad moral compass. It won't be easy, but the ensuing trade of art, literature and scientific knowledge will enrich both your worlds