The dialogue revolves around a missing person case, where a girl named Athira goes to the washroom and doesn't return. The investigation unfolds as the police and others try to piece together what happened to her. They discover that Athira was kidnapped, and the kidnappers had planned to kidnap someone else, Shraddha. The police eventually find Athira, and she reveals that the kidnappers were planning to kidnap Shraddha, but mistakenly took her instead.
Here are the key facts extracted from the text:
1. Someone named Aathu has gone missing.
2. Aathu's sister is worried about her and wants to file a police case.
3. A police officer is handling the case and is investigating.
4. The police officer thinks that Aathu might have eloped, but her sister disagrees.
5. Aathu's friends claim that she was going to the washroom and never came back.
6. The police officer is reviewing CCTV footage to investigate.
7. A suspicious person is seen in the CCTV footage, but his face is not clear.
8. The police officer suspects that the person might be involved in Aathu's disappearance.
9. Aathu's friends reveal that she had received a message from someone, which made her leave with that person.
10. The police officer discovers that the person who took Aathu is not a staff member at the location.
11. The police officer finds a clue that suggests Aathu might have been kidnapped.
12. Aathu is found, and she claims that she was kidnapped.
13. Aathu reveals that the kidnappers were planning to kidnap someone else, Shraddha.
14. Aathu's sister is relieved that she is safe and wants to catch the kidnappers.
15. The police officer assures that they will catch the kidnappers soon.