Timid 9-year-old Danny teams up with his beloved family dog Charlie, who gets abducted by aliens and returns with superpowers, to thwart a plan by the neighbor's sinister cat Puddy to destroy humanity.

在人类灭绝、地球处于后世界末日状态的世界里，工人机为了生存并打败“杀手无人机”之类的流氓机器人而不断努力。
In a world where humanity is extinct and Earth is in a post apocalyptic state, worker drones struggle and toil to survive and defeat rogue robots called Murder Drones.

Douglas Adams暢銷系列小說改編。地球人亞瑟(馬丁福曼)今天運氣糟透了，他的房子即將面臨拆遷命運，發現自己最好的朋友竟然是異形，更慘的是地球因為擋到 宇宙高鐵而必須被爆破，亞瑟眼前唯一的生路便是搭上太空船漫遊宇宙，這趟星際旅程讓他大開眼界，同時思索了從前壓根兒沒想到過的生命課題。