Mick wakes up in a space station designed to kill him, abandoned by the species that put him there. What follows is not a story about insects surviving in space, it's a story about creatures with no reason to trust each other learning to move as one, planet by planet, toward a home that may not want them back. The show takes the smallest possible protagonist and makes his refusal to die alone feel like the only thing that matters. It builds a found family out of beings that should have nothing in common, then makes you believe they would cross galaxies for each other. The animation carries real weight in moments that shouldn't matter: a chironomid catching his breath, a companion noticing someone is afraid. By the time Earth appears on the horizon, you've stopped thinking about what Mick is and started thinking only about whether he gets to go home.

Mick is a sleeping chironomid, a tiny insect carried into space with others so humans can use them in experiments. When the humans abruptly abandon their experiments and leave, the creatures are stranded on the space station with limited supplies, and survival becomes the only mission that matters. Mick and his companions set out on a long voyage back to Earth. Together they push across unfamiliar planets, overcoming obstacles and gaining new comrades along the way. As the journey goes on, the mystery of why humanity turned its back on them slowly comes to light. What unfolds is an action adventure of small creatures facing vast challenges, where the journey becomes as much about understanding what happened as about returning to Earth.