On the deep blue sea, there is a little island. On the island is a town called Kaka.
Beibei is the most sensible little girl in town. Xiaoyu is the opposite: mischievous, quick to lose his temper, and fond of holding grudges.
One day, Xiaoyu does something unforgivable.
Beibei is furious and keeps wanting to get back at him. Xiaoyu feels guilty and becomes well-behaved and considerate.
The so-called good kid and bad kid have switched places.
With guidance from the grown-ups, the two children make up and grow together, and they help Grandma accomplish something important!
Theme: Don't go to bed angry, and don't start the morning with a quarrel.
