20多年前,从京城探亲回乡的沈老爷路遇劫匪,年幼的双胞胎儿子不幸被抢走一个,成为他最大的心结。20年后,在他70大寿的这一天,有一个悲惨的噩耗即将传来。Two strangers meet in a subway car. Both bring their past with them. Both look from their present. Both will determine their future in that fleeting, and ephemeral, vital journey that brings them together briefly.。