A little dinosaur Doolie, who was imprisoned in a giant iceberg in the South Pole thousands of millions of years ago, h appens to be freed and gloats down the Han river in Seoul. Doolie wakes up from his long sleep, and stays with an ordinary citizen, Mr. Ko Gildong. There, he gets into all kinds of mischief with his friends Heedong, and extra terrestrials Dona and Tochi, and his neighbor, Michael. Then the friends decide to become human adults by getting into alien Dona's time machine. However, the machine makes a mistake and they are lost in time and space.