Former bomb disposal expert and his fiancée board a high-speed train. Also, a well-known physics teacher who was involved in an affair scandal, also boards the same train in order to win back his wife. At the same time, there's a bomb on the train!

The millennium summer was the best days in Ren-jie's life. He met Xiao-ping, walked hand in hand with her through their youth and wrote the opening sentence of his life poem. But a visit by his father in the military changed his life forever. He fell into the uneasy atmosphere of 2006. When he was discharged from the air force, the cruel reality wore away their romantic love. Ren-jie had to leave Xiao-ping. They fell in love under the sun and out of it at sunset. The days tortured them and blurred they clear eyes. When they finally got back together, would they recite again the poem on how beautify life is?

More than Blue: The Series revolves around the journey of music producer Wang Po Han and his assistant An Yi Qi to find the copyright owner of the mysterious song for their artist, A-Lin. They also came across a diary belonging to K who is the producer of the mysterious song and traveled into the life story of K through the diary.

The diary tells the story of K and Cream, two orphans who journey through life and share experiences in sadness and joy together. However, K is diagnosed with fatal leukemia cancer. Knowing that Cream's biggest fear is to be left alone, K keeps the fact that he has terminal cancer a secret.