Xiao Jia, a university student, secretly admires her class monitor, Wen Tao. In a twist of an event, Xiao Jia accidentally gets hold of a radiophone. One day, as she daydreams of Wen Tao, the radiophone connects to Jia Hui and they start communicating through the radiophone. From their conversations, they discover that they are actually studying in the same school and plan to meet up, but both of them miss the date and finally find out that they exist in two different worlds.
Xiao Jia, a university student, secretly admires her class monitor, Wen Tao. In a twist of an event, Xiao Jia accidentally gets hold of a radiophone. One day, as she daydreams of Wen Tao, the radiophone connects to Jia Hui and they start communicating through the radiophone. From their conversations, they discover that they are actually studying in the same school and plan to meet up, but both of them miss the date and finally find out that they exist in two different worlds.
Miho, a high school student, refuses to approve of her widowed mother's potential husband when they meet each other at a restaurant. As she flounces out of the restaurant, she drops her cell phone. At the moment there is an earthquake, and she drops her cell phone down a staircase. The phone is found by Tokijiro, a boy that lives in 1912
Seon Woo receives calla every morning and wants to find out who the secret admirer is. One day, he goes to a nearby florist’s where he meets Ji Hee. He falls in love with her at first sight, thinking she is the one who is sending him flowers. Seon Woo asks Ji Hee to go on a date, and she agrees. He arrives at the rendezvous only to find that Ji Hee is held hostage and, to his horror, killed before his eyes.
Seo Yeon comes back home after a long time. She connects an old phone that was in the house and speaks to a stranger named Yeong Sook. Seo Yeon realizes that Yeong Sook lives in the same house, but they are 20 years apart, and they become friends from then onwards. Then one day, Seo Yeon and Yeong Sook make a small choice that will change their lives in the time they are in.
Directed by Hagishima Tatsuya, Kimi ni Shika Kikoenai (a.k.a. Calling You) is based on the same-titled light novel series by popular writer Otsuichi. Like Otsuichi's Waiting in the Dark, which was also recently adapted for the big screen, Kimi ni Shika Kikoenai revolves around two lonely young people who find each other in an uncommon manner. Shy, quiet, and unsure of herself, Aihara Ryo doesn't quite fit in anywhere. Though she wants to make friends, she has trouble speaking up and holding a normal conversation like everyone else. It seems that whenever she talks, the words just don't come out correctly. Gradually, Ryo has gotten used to living life in silence as a lonely and introverted student. With no one to talk to, Ryo also has no need for a cell phone. Longing for friends to talk to, she creates a cell phone in her mind for imaginary phone conversations, and much to her surprise, one day Shinya picks up on the other side. For the first time in her life, Ryo has found someone she can talk to.
