The film follows successful business owner David (Ochmann), who leads a comfortable life alongside his boyfriend, Álex (Bassave), an attractive gym instructor. The latter has always wanted to become a father and often wonders which path he should follow in order to make his dream come true: adoption? A surrogate mother? Nevertheless, David refuses to discuss the subject. That is, until Blanca (Perroni), David’s sister, with whom he broke off all contact after a dark event in the past, bursts into their lives. She used to be a drug addict and, in one terrible moment of carelessness, started a fire that killed their parents, for which she was sentenced to six years in prison. But now, she is clean and has resolved to win back the only family she has: that’s why she will be willing to do whatever it takes to persuade her brother to accept her into his life again.
八公（Forest 饰）是一条谜一样的犬，因为没有人知道它从哪里来。教授帕克（理查·基尔 Richard Gere 饰）在小镇的火车站拣到一只走失的小狗，冥冥中似乎注定小狗和帕克教授有着某种缘分，帕克一抱起这只小狗就再也放不下来，最终，帕克对小狗八公的疼爱感化了起初极力反对养狗的妻子卡特（琼·艾伦 Joan Allen 饰）。八公在帕克的呵护下慢慢长大，帕克上班时八公会一直把他送到车站，下班时八公也会早早便爬在车站等候，八公的忠诚让小镇的人家对它更加疼爱。有一天，八公在帕克要上班时表现异常，居然玩起了以往
