A 16 year old boy who had thought that his father's death was an accident, suspects otherwise when he receives a 10-year-old lost letter his father had written just before his death.。该片通过美女机器人荳荳的视角,描写了以司马春和林婉清为代表的一群大学生爱情故事。兰荳从不明白爱一个人为何要放弃,到自己渐渐悟出人生真理。。