As May's heart rate rises, she emits electricity. When she falls for the school heartthrob, she enlists the help of Pong, who has a crush of his own.
Finding the diary of his predecessor, rural schoolteacher Song falls in love with its author, Ann, and sets out on a winding journey to find her.
After dying from a respiratory disease, a mother's spirit possesses a vacuum cleaner to protect her husband when he begins showing the same symptoms.
