Sachiko and Masato Azuma, in their 4th year of marriage, had been so excited about the birth of their long-waited first child. They named their baby boy “Hikaru" (meaning light in Japanese). Nobody doubted that the birth of their precious son Hikaru would bring great happiness to the Azumas’ family life. Until one day, Sachiko noticed that there was something different about Hikaru. This heartwarming drama is a story about family. Hikaru’s mother goes through so many difficulties raising her autistic son, sometimes so overwhelmed that she doesn’t know what to do. Then at Hikaru’s school, with the help of one very special teacher, Rio-sensei, she learns to deal with her son’s autism and think positive about her family life. Her story will touch the heart of all mothers with young children, mothers who have brought up young children, as well as woman who will be mothers in the future.

幸子和东正人，在其4年的婚姻，如此兴奋的诞生，他们期待已久的第一个孩子。他们的名字男婴“光” （指在日本轻）。没有人怀疑，诞生了宝贵的儿子光将带来巨大的幸福Azumas的家庭生活。直到有一天，幸子发现，有一些不同的光。这感人的戏剧故事家 庭。光的母亲经历了许多困难，使她认识自闭症的儿子，有时不知所措，她不知道该怎么办。然后在光的学校的帮助下，一个非常特殊的老师，里约sensei ，她学会处理儿子的孤独症和认为，积极的她的家庭生活。她的故事将涉及的核心带着年幼子女的母亲，母亲谁带来了年幼子女，以及女子谁将母亲的未来。