Deux petites cellules, Toti et Blue, se lient d’amitié et explorent l’organisme qu’elles habitent. Elle grandissent ensemble, rencontrent différents habitants de leur monde, jusqu’à ce qu’un accident les sépare. Toti continue alors son voyage seule et continue son évolution. Lorsqu’elle retrouve enfin Blue, c’est pour constater qu’elles sont inexorablement devenues incompatibles.
Two small cells, Toti and Blue, become friends and start exploring together the organism that they inhabit. They grow up together, meet other beings from their world, until an accident separates them. Toti continues her journey on her own and keeps evolving. She at last finds Blue again, only to realise that they became irreversibly incompatible.
