Sung Hyun, who just moved into 'Il mare' receives a strange letter. The letter is from a young woman in the year 1999, two years from the present. Her predictions about the past are amazingly accurate. Her warning about a flurry of snow on a certain day in January of 1998 and the ensuing flu virus turns out to be true.
Eun Joo is convinced that her letter has traveled back in time to December of 1997 and starts writing regularly to her newfound pen pal. A professional voice actress, Eun Joo asks Sung Hyun to find her long-lost cassette recorder at a train station. Sung Hyun goes to the train station and gets a glimpse of Eun Joo, who of course, has no idea who he is.
Eun Joo is convinced that her letter has traveled back in time to December of 1997 and starts writing regularly to her newfound pen pal. A professional voice actress, Eun Joo asks Sung Hyun to find her long-lost cassette recorder at a train station. Sung Hyun goes to the train station and gets a glimpse of Eun Joo, who of course, has no idea who he is.
Min Ho, a music producer who is struggling to write a new song because of the lack of inspiration. He is told by his manager that he has to find love so he would have emotions to write a new melody. He then meets a Chinese tourist named Ling Ling. Min Ho is inspired by Ling Ling but due to their language barrier he decides to adds her as a friend on the mobile messenger app LINE to communicate with one another.
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.
