"In her third story, Luciana and her family are headed to Chile for winter break. Luci can't wait to see her cousins - but the reunion doesn't go as planned, and Luci feels like an outsider in her own family. Just then she receives a surprise invite from Claire Jacobs, her frenemy from astronaut training camp, to join her at the Mars habitat in the desert and watch NASA scientists at work. It's an offer too good to refuse, so Luci decides to leave...

When Luci has an underwater crisis during diving training at space camp, she must conquer her fears if she ever wants to become and astronaut and travel to Mars. Luciana Vega quiere ser la primera chica en viajar a Marte, pero primero tiene que aprender a trabajar en quipo aquí en la Tierra.