Cult Japanese horror franchise revolving around a deadly curse that travels through cellphones.
Kindergarten teacher Kyoko Okudera is invited by her friend Madoka Uchiyama to eat at a Chinese restaurant, where Kyoko's boyfriend, Naoto Sakurai, works part-time at. The chef, Mr. Wang, receives the cursed phone call from his daughter, Meifeng's phone, redirecting the curse to inflict on him. Meifeng later arrives with a new phone and exchanges her new phone number with Kyoko and Madoka, the latter receiving the cursed call right afterward. Naoto heads to the kitchen and discovers Mr. Wang dead with half his face burned off.
The timid, young Asuka is bullied by her classmates. When they embark on a class field trip to Korea, Asuka plans revenge by sending them a cursed phone message they can either pass on or die.