母亲去世时，我甚至想吃掉她的遗骨

影片主人公悟史，从小就体弱多病还很爱哭，坚强的母亲始终陪伴在他身边，细心呵护并帮助他。母子是彼此最为亲密的依靠。两年前母亲突然查出癌症，曾经用来安慰悟史的话语现在都要由他说给母亲听，他发誓要帮助母亲，为了母亲做了很多尝试。还遇到了体贴的女友真里。即便悟史始终陪伴着母亲，坚定地与母亲一起抵抗癌症，但母亲还是在2012年春天去世了，母亲去世一年后，父亲兄弟都开始了新生活，而悟史却突然收到了母亲的礼物。正如悟史在影片结尾处所写“父母之死有改变子女人生的力量，我的死亡也将助你向前”。面对死亡这个人生必经的课题，主人公最终收获了成长，释然地与母亲完成了告别。When Satoshi was little, his mother Akiko always took good care of him. She was gentle, but mentally strong. However, two years ago she was diagnosed with cancer and now it's Satoshi's turn to comfort and care for her. However, despite his best efforts, she passes away. A year after Akiko's passing, Satoshi, his father Toshiaki and his older brother Yuichi start new lives. Around that time, Satoshi receives a present from his mother.