海伦娜出生于太空舱，为的是从地球旅行到遥远的赛莱斯特星。因氧气补给问题，召唤空间站维修，期间海伦娜遇到了修理工阿历克斯，很快就爱上了他，所以阿历克斯打算揭示她的真相：她是一个秘密实验的一部分，以测试人体的长时间太空旅行的影响……Helena is a young girl who spent all her life in a space pod just after her birth, traveling from Earth to a distant planet where she will reunite with others space colonials, with the voice of the on-board computer as only one company. Arriving to a space station for maintenance works, Helena meets Álex, the repairman, falling in love with him quickly. But Álex, still traumatized by the ghosts of his own past, decides some days later after to meet Helena break all rules and reveal her the truth: that she is part of a secret experiment to test the effects in the human body of an elongated space travel, and that she was offered by her fathers as well another babies, in the hope to runaway from a progressively more polluted and radioactive planet Earth. Escaping from the fake space pod, Helena exits to the world and discovering it at the side of Álex, being both prosecuted by Hugo, director of the project, who searches the way to keep all project in secret. But during the connivance ...