Kaori lost her eyesight and family in an accident. While trying to enjoy the small things in her life, Kaori struggles to live happily. Kaori mistakes Rui for someone else and begins to talk to him. Rui was once a promising kickboxer, but something happened in his past to cause him to disassociate himself from everyone. Kaori's smile brings out a change in Rui. The two people begin to have feelings for each other, but Rui learns about Kaori's past accident and his connection. Rui decides to take part in an underground fight to pay for Kaori's eye surgery.
Having closed himself away from the world, former boxer Chul Min starts a new job as a parking lot attendant. One night, a visually impaired young woman, Jung Hwa, walks into his tollbooth to watch television with him. Jung Hwa's bright spirit and smile in the face of adversity reach through to Chul Min's heart and shine a ray of hope into both their lives, but their love and happiness may be short-lived.
Aoi studies photography at a school in Tokyo. She undergoes a heart transplant operation and goes to the island of Okinawa to recover. Her uncle lives on the island. There, she holds a camera and walks along the island. Aoi hears the sound of a trumpet. She looks up and sees a young man playing the trumpet. His name is Ji Oh.
Saeko is in a romantic relationship with Yusuke. Her boyfriend proposes to her, but, on that same day, he gets into a car accident and dies. Saeko falls into deep despair after his death. A few months later, she meets a man named Naruse. Although unaware at the time, Naruse received a heart transplant from Yusuke and he feels something for Saeko in his heart.
Ko is a hard working doctor who has little time to spend with his wife. When she dies in a car accident her heart is given to another woman, Tse Yuen Sam. Ko later changes careers and becomes a paramedic. One night while on call in an ambulance, Ko attends a traffic accident involving Sam. He discovers she is the recipient of his wife's heart and that her husband Derek has left her. Ko decides to use their resemblance as a means of making amends for both his and Derek's treatment of their wives.
Three year's previously Min Woo lost his first love in a tragic accident. As he struggles on with life he meets Hye Won who reminds him of his lost love but is racked with emotion and confusion as his feelings for these two women become intertwined. Unbeknownst to the florist Hye Won she has received her heart transplant and a second chance at life from Min Woo's first love. When the two cross paths Hye Won notices her unusual heart beat. Nobody knew it was her heart that remembered and beats strong for her lost love Min Woo. As Hye Won starts falling in love with Min Woo soon the conflict erupts between the lovely florist and her fiance Jung Jae.
Satsuki's lover Hitoshi dies suddenly. She is unable to get over his death and is mired in deep sadness. Satsuki keeps thinking about the moon shadow phenomenon, which she heard about in the past. The moon shadow phenomenon is a mysterious event that allows a person to meet the dead at the end of a full moon
Eun Soo is a pure but unsophisticated woman who runs a small resort inn with her father. Eun Soo is just an ordinary girl, but her life changes when she meets a man who's completely lost his memory. She takes him in and cares for him, and even gives him a name: "Baek Chang Ho". Love blossoms, and soon wedding bells can be heard.
But on the night of their wedding ceremony, Eun Soo's father passes away. And soon after, Chang Ho disappears too! In the blink of an eye, the two people Eun Soo loves most in the world have left her. But Chang Ho had his reasons for disappearing: his real name is Kang Hyun Woo, and he's heir to a large conglomerate. Even more, someone is plotting to kill him.
But on the night of their wedding ceremony, Eun Soo's father passes away. And soon after, Chang Ho disappears too! In the blink of an eye, the two people Eun Soo loves most in the world have left her. But Chang Ho had his reasons for disappearing: his real name is Kang Hyun Woo, and he's heir to a large conglomerate. Even more, someone is plotting to kill him.