|Directed by||Lee Hyun-seung|
|Produced by||Cho Min-hwan
|Written by||Yeo Ji-na
|Music by||Kim Hyun-chul|
|Edited by||Lee Eun-soo|
|Distributed by||Blue Cinema
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Il Mare (Hangul: 시월애; hanja: 時越愛; RR: Siworae; lit. "time-transcending love") is a 2000 South Korean film, starring Jun Ji-hyun and Lee Jung-jae. The title, Il Mare, means "The Sea" in Italian, and is the name of the seaside house which is the setting of the story. The two protagonists both live there two years apart in time, but are able to communicate through a mysterious mailbox.
There are two distinct time-lines intertwined throughout most of the film.
The story begins with Eun-joo moving out of a house by the sea called "Il Mare". As she is leaving, she leaves a Christmas card in the mailbox, asking the next resident to please forward her mail to her. Sung-hyun, an architectural student, receives her card, but is puzzled, since he is the first resident at "Il Mare" and the card is dated 2 years in the future. After a series of back and forth correspondences, Eun-joo and Sung-hyun realize they are living 2 years apart, Eun-joo in the year 2000 and Sung-hyun in the year 1998. After some testing, Eun-joo and Sung-hyun discover that the mailbox at "Il Mare" is enabling their communication and they can pass objects and living creatures through.
Utilizing the mailbox, Eun-joo asks Sung-hyun to retrieve a tape player she lost two years ago, which he gets for her. After his father, a noted architect, falls ill, Sung-hyun asks Eun-joo to obtain a book about his father, which she does. However, she succumbs to a minor traffic accident and while hospitalized, the book fails to reach Sung-hyun in time before his father's death. After reading the book, he finally accepts his father's love for him and takes up his architectural work once more.
As both Eun-joo and Sung-hyun continue their correspondence, they decide to try a date together, with each person participating in his or her own time. Eun-joo "takes" Sung-hyun to an amusement park, where he follows her instructions on how to have a good time at the park. Sung-hyun "takes" her to a restaurant where she drinks a bottle of wine he left for her two years prior. Despite having a lot of fun on these "dates", they decide that they should try to meet in person.
Eun-joo and Sung-hyun plan on meeting in person at a beach where she has always wanted to build a house, two years in Sung-hyun's future. However, when Eun-joo goes to the beach, Sung-hyun doesn't show. She does see a house being built on the beach for an unknown architect's lover. When Eun-joo tells Sung-hyun that he didn't come, he is baffled about why he didn't show up; he doesn't think he would have forgotten such an important date.
At Eun-joo's workplace, she runs into her ex-fiance. They were going to get married, but he moved abroad for work, while she stayed in Korea. Due to the separation, they eventually broke up and he married another person; Eun-joo however still loves him. This meeting was a shock to Eun-joo and in an act of desperation, she asks Sung-hyun to intervene and stop her fiance from leaving two years in the past. After sending the letter to Sung-hyun, Eun-joo suddenly realizes, on that day, she witnessed a car striking a pedestrian and killing him. Eun-joo rushes to Sung-hyun's architectural school and finds out that Sung-hyun was that very pedestrian and the house being built at the beach was designed by Sung-hyun for her. She immediately rushes to the mailbox and sends a letter telling him not to go.
The final scene returns to the beginning of the movie, where Eun-joo is about to place her Christmas card into the mailbox at "Il Mare". A stranger approaches her with a letter in his hand, the letter that Eun-joo sent warning Sung-hyun not to go to the meeting. Sung-hyun did receive her warning letter and never went to intervene that day and was never hit by the car. Eun-joo and Sung-hyun finally meet.
- Jun Ji-hyun as Eun-joo, a pretty young woman who has aspirations of becoming a voice actress. Throughout the film, we see that although she has obtained her dream, there is something missing in her life. Living in 1999, Eun-joo becomes the second tenant of the house and is only moving out as the film begins.
- Lee Jung-jae as Sung-hyun, a young man who was the first tenant of the house. Living two years in the past of 1997, he begins as a construction worker for a large project. Although a talented architect, Sung-hyun has become critical of his talents, claiming he could not stand becoming a hypocrite.
- Kim Moo-saeng
- Jo Seung-yeon
- Min Yun-jae
- Kim Ji-mu
- Choi Yoon-yeong
- Lee In-chul
- Kwon Yeon-gyeong
This time-travel romance was not a popular success in 2000, selling less than a quarter million tickets in Seoul (upstaged by not only the similar-themed Ditto, but also the controversial Lies), but since then it has developed a loyal fan base a la Somewhere in Time and attained the status of a minor classic among Korean cinema fans.
Warner Brothers acquired the rights for an American remake, titled The Lake House, starring Keanu Reeves and Sandra Bullock. It was released on June 16, 2006 and was co-produced by Sonny Mallhi, Amit Walia, and Chris Krapek. To reference the original movie, "Il Mare" was used as the restaurant's name where Kate and Alex are supposed to meet.