Hiroshi, Misae and Shin-chan go to Sea Side Hotel for a holiday. Shin-chan acts stubborn and eats a lot of ice cream using the key of the room and catches cold. Hiroshi, Misae and Shin-chan leave from Sea Side Hotel to go home and get stuck in traffic. After being stranded for so long and reaching home at 3am, Misae and Hiroshi get very tired but Shin-chan stays fresh.
