在一个架空的科幻世界,名为“百喙”的外星生物意图操控全人类意识。少女李海拉联合人类部队抵抗外星人入侵并了解到自己的身世之谜,最终粉碎了外星生命的计划,守护了人类命运的故事。。Skye's plan to scare off Danny backfires, while Max and Jake's pub in Chicago is struggling. Meanwhile, Jim Sturrock opens a community centre in Leith and Teddy is managing a cannabis farm in the Borders for Maggie Lynch.。