1991年,苏联解体,古巴陷入经济大危机。塞尔吉奥是一个为着生计发愁的无线电爱好者和马克思主义教授。谢尔盖则是苏联最后一个宇航员,被遗忘在废弃的米勒空间站里。机缘巧合,塞尔吉奥与谢尔盖联系上了对方,两人建立了友谊,而这段友谊将帮助两人面对各自国家的剧变。In 1991, the USSR is falling apart and Cuba enters its hardest economic crisis. Sergio, a professor of Marxism who can't provide for his family, and Sergei, a Soviet cosmonaut stranded in the Mir space station, share a common passion: amateur radio. Through this hobby, both men will be able to help each other in facing the dramatic changes of their countries.