讲述了一段复杂的家庭关系故事。寡妇在成为继母后,与继子之间的情感冲突愈演愈烈。。Faced with impending doom from a planet-killing asteroid, a couple flee to the hills of Tennessee to spend their last days together - but the chaotic breakdown of society disrupts their peaceful plans.。开心自幼被老和尚收养,习得绝世武功却身患绝症。老和尚为救他,让其下山寻母。开心不仅迅速找到母亲,还惹出一系列趣事:教外婆降龙掌、运动会打脸恶霸、卖武功秘籍给老爷爷让其重获青春。逍遥生活让他忘病,看开心如何保住性命,与母团圆。。