去大公司面试成功的Jen（凯瑟琳·帕金森 Katherine Parkinson 饰）以为自己中了头彩，结果却被分配到了地下层的IT部门。部门里只有2个人，Moss（理查德·艾欧阿德 Richard Ayoade 饰）和Roy（克里斯·奥多德 Chris O'Dowd 饰），2个电脑方面的专家，生活常识类的怪人。对电脑一窍不通的Jen强装出一副精通的样子，惹出了不少笑话。
In the final four episodes, sentient AI rapidly turns evil, threatening to wipe out Lakeview (and the world!). On top of greedy executives, lingering mysteries, plus heartbreak in VR and IRL, our characters are tested like never before. The only way they can get through it all and save humanity from deletion is by teaming up one last time.”
外星人适应了。人类也将如此。《入侵》的第二季动作十足，几个月后，外星人升级了对人类的全面攻击。
