A family in financial crisis is forced to sell Lassie, their beloved dog. Hundreds of miles away from her true family, Lassie escapes and sets out on a journey home.

• 一个家庭在经济能力出现困境下被逼卖掉他们心爱的狗狗莱西。莱西在离开主人家几百英哩处逃离出来，开始返回真正主人之家的旅程。