Ariel, a student, misses the school bus and doesn't arrive at school. Her teacher, Miss Rosa, tries to contact her mother, but Ariel's phone is out of coverage. Ariel is actually trapped in the sewers beneath the kingdom and tries to call for help, but her phone has no signal. Her friends, including Rapunzel, start searching for her and put up posters around the city. Meanwhile, Ursula, a sea witch, is also searching for her own daughter and crosses paths with the search party. Eventually, Ariel's friends find her using a stick she poked out of the sewer, and they rescue her. The story ends with a happy reunion between Ariel and her mother.
Here are the key facts extracted from the text:
1. Ariel missed the school bus and didn't arrive at school on time.
2. Ariel's teacher, Miss Rosa, was going to send a note to Ariel's mother because Ariel was late for the third time in 15 days.
3. Ariel's phone was out of coverage, and her voicemail was not working.
4. Ariel's mother was contacted by the school, and she said she had left Ariel near the school bus stop.
5. Ariel's mother and the school were searching for Ariel, but she was nowhere to be found.
6. Ariel's friends were searching for her around the city, putting up posters and asking people if they had seen her.
7. Ariel was actually stuck in the sewers under the city, where she had fallen through a trapdoor.
8. Ariel had no phone signal in the sewers and was trying to find a way to signal for help.
9. Ariel's friends eventually found her by following a stick that she had poked through a hole in the sewer lid.
10. Ariel was rescued from the sewers and reunited with her mother and friends.