Nine students set off on their inaugural voyage to the cosmos, destined for a five-day "Planet Camp" on an isolated world. But upon arrival, a strange sphere envelops them, whisking them away to a distant corner of the galaxy.

Upon reaching their first destination, the planet Vilavurs, the crew of the interstellar vessel found themselves before a world that appeared remarkably hospitable. Yet, these fledgling explorers had much to discover – not only the practica…

A shared sense of triumph and burgeoning camaraderie filled the nine students after their successful first foray to an alien world. Yet, the exhilaration was tempered by a sobering realization: peril remained. It shadowed them not only in t…

Having escaped near catastrophe, the group touched down on Shummoor, the second world in their journey. Securing essential resources proved difficult, yet a shared optimism prevailed among the crew – a sentiment not felt by everyone.

Having weathered yet another perilous obstacle, the team can finally continue their journey. Elsewhere, their families gather at home, grappling with the uncertain future of their children.

Ulgar leveled a threat at Luca’s life, revealing a hidden link between them and divulging secrets about Luca's past. As Kanata struggled to make sense of this newly unveiled information, another catastrophe unfolded.

As the *Astra* and Team B5 neared their destination planet, Aries detected inconsistencies in Charce's account. The team then pressed him regarding his history, a past he had previously concealed.

The team encountered Polina, an astronaut in suspended animation aboard a vessel mirroring the Astra. United by a shared goal, they collaborated on a solution for escaping the planet's grasp.

Unusual medical readings begin to stir Zack's doubts regarding the nature of Funicia and Quitterie's connection. Examining the data, the team uncovers a shared thread among themselves—a motive for their collective demise.

They journeyed toward the final world. Polina was driven by a fierce need to understand the impossible: the children's origins. Meanwhile, Kanata drew nearer to the hidden threat within their ranks.

The net had closed, and the team had finally cornered the killer within their ranks. Yet, a chilling question lingered: what force could have driven this person to such acts of violence, especially after forging such profound connections wi…

The killer's identity is unveiled, triggering a cascade of revelations concerning the world's past. Will the team surmount their final challenge and find their way back home unharmed?