Oscar has everything a degu could need, or want, in the cage he shares with his brother, Romeo, but it's not enough; Oscar longs for freedom. Convinced he's missing out on an amazing adventure, Oscar dreams of the day when he'll be able to investigate the world beyond his cage bars without the human caretakers telling him where and when he can explore. Now, at long last, his chance has arrived. But will it be the exciting adventure he's always dreamed it would be?