When Tetsuya was 10-years-old he met Emi, who suffered from a heart disease. In hopes to cure Emi's condition, Tetsuya decided to become a doctor. Following through on his dreams, Tetsuya is now a doctor and is about to marry Emi. One day though, Tetsuya hears about Don. Tetsuya remembers the times he spent with Emi and Don as a child and also feels insecure about Don. As children, Emi came to the countryside for her health, Tetsuya lived as the son from a rich family and Don came from a poor family, but talented with painting. They were all 10-years-old and good friends. Seven years ago, Don was imprisoned due to an unfortunate incident. Now, Don escapes from prison. Emi can't hide her feelings for Don and Tetsuya's jealousy grows. Don then appears in front of Tetsuya and Emi holding a special painting.