High in the mountains, Popo and Ketu, two red panda cub sisters, are wrapped up safe and warm in their mama's love. They vow to stay close and to ALWAYS look out for each other. But as they grow, so does Ketu's longing to explore. One day, she sets off on a thrilling adventure far from home, leaving Popo to make an impossible choice... -- Cyngor Llyfrau Cymru