故事发生在驹场东邦高中内，北原和宪（二宫和也 饰）是在那里就读的二年级学生。善良的和宪品学兼优，深得老师和同学们的喜爱，是乒乓球部的种子选手。某日，和宪突然晕倒，经医生诊断，他患上了无法治愈的恶性肿瘤，这也就意味着，和宪年轻的生命将所剩无多。

　　乐观的和宪决定积极接受治疗，尽管药物给他带来了极大的痛苦，但和宪依旧用笑容鼓舞和安慰着身边的每一个人。在治疗期间，和宪并没有放弃学业，而是积极备考，希望能够考上理想的大学。功夫不负有心人，最终，和宪被东京大学录取，然而就在此时，和宪的病情迅速恶化，情况十分危急。

Kitahara Kazunori was diagnosed with Ewing's sarcoma in the fall of his second year in high school, and thereafter spent a year and 10 months battling the disease. Although he studied hard for the university examinations and was successfully admitted to his first choice, [the prestigious] Tokyo University, he only managed to visit it for a day before passing away. After that, last January [i.e. 2005], Kazunori's mother compiled the thoughts he had left behind and published it as a book, and it was adapted into this drama. Even as Kazunori had to fight his serious illness, he received support from his friends, school teachers and family members, and had warm relations with many people. This drama illustrates the 1 year and 10 months young Kazunori persevered together with the people around him.

평범한 고등학생에서 연골육종이라는 병에 걸리면서 암으로 투병하지만 끈질긴 인고로 마지막까지 최선을 다한 삶을 살다간 카즈노리의 이야기를 그린 드라마