The life of Moonjung, the main character of Greenhouse, is not happy. She suffers from a psychological disorder, her young son is locked up in a juvenile detention center, and since she has no home, she lives in a greenhouse. She sometimes sees a man, but she’s not sure if she really loves him. However, since she is nice and sincere, she works as a caregiver for an elderly couple and gets by in harsh conditions until a tragic event happens. After the incident, her life falls into a whirlwind, and the narrative speeds into confusion. Using the genre conventions cleverly in every major part, the fate of Moonjung, who has fallen into the trap of tragedy, unfolds as a skillful thriller of pain.
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
