Revolves around three families: Prima and Phanu, Sarinta and Pheera, and Gunnaree and Chanachol. Besides their personal issues, they clash in the parents' school group chat, until the conflict escalates and the principal has to organize an activity to restore unity among the parents. However, during the activity, the three mothers unwittingly witness a murder and become targets of a killer, all while dealing with unresolved family problems.