孤身生长于无名垃圾星的叶重,在偶然中激活了一架奇特的人工智能机甲牧殇。虽然他们一起逃离了发生星耀灾变的垃圾星,却卷入了一个个始料未及的阴谋和混乱之中,在这浩无际涯的宇宙之中,还有多少未知在等候着他?。A Chicago cop quits the force and finds himself threatened by the Mafia.。Shetland is BACK to answer all of the questions that left us hanging at the end of the last series.。