在这部可怜天下老妈心喜剧片中,单身妈妈Brenda是个敢做敢为的女人,丈夫在越战中牺牲后,独自带着儿子Jimmy生活。她对儿子寄予厚望,为使Jimmy得到更好教育,Brenda卖掉房子为Jimmy支付大学费用,并在新城市找了工作。遗憾的是,Jimmy梦想是参军并且像他从未见过的父亲一样成为美国空降兵团的飞行员。为了说服儿子,Brenda一气之下也参军了,与儿子打赌:如果我能通过训练获得参军资格,Jimmy就退役上大学。艰苦的训练让Brenda尝了不少苦头,母子二人在部队开始了新的竞争……
An overprotective single mother tries to stop her son joining the parachute unit by sending him to the college, fearful that he may end up his life like his father did. He secretly leaves the college and joins the army, but the mother finds out and makes a bet with him that if she passes the basic training, he will leave the unit.