简介：In the near future, aliens have invaded Earth and declared a galactic war resulting in thousands of human casualties. To save Earth, a team of four teenage astronauts brave the alien wilderness of a distant planet to stop an assassin from changing the course of history forever.
内芙·坎贝尔/伊莎贝尔·梅/柯特妮·考克斯/梅森·古丁/贾思敏·萨沃伊·布朗/大卫·阿奎特/马修·里沃德/斯科特·弗利/塞莱斯特·奥康纳/阿萨·格尔曼/麦肯娜·格瑞丝/萨姆·雷希纳/米歇尔·兰道夫/吉米·塔特罗/安娜·坎普/乔尔·麦克哈尔/马克·康苏斯/伊桑·恩布里/维克托·特平/Scott Allen Frederick/艾米·彭伯顿/Josh Thrower/Cyle Winters/罗格·杰克逊/