簡介：高中自然女教師杰卡（金?辛格 Kim Basinger 飾）被綁架了，幸歹徒囚禁的地方放有一部老的撥號電。杰西卡亂之中隨撥了一個(gè)碼進(jìn)行求，她的求電話打到小伙子瑞（克里斯埃文斯 Chris Evans 飾）的手機(jī)上。瑞一開始以是惡作劇但隨后歹發(fā)現(xiàn)了杰卡在向外救，砸壞電話。聽歹徒的吼和杰西卡呼，瑞恩意識到事嚴(yán)重。杰卡在歹徒后利用她自然課知重新拼裝了電話，新和瑞恩得了聯(lián)系通過她的述，瑞恩知歹徒很就會對她丈夫和兒下毒手，杰西卡連己身處的置都不知。留給瑞的時(shí)間已多，何況的手機(jī)電有限。瑞必須盡一努力去挽杰西卡一的性命?
Sarah slashes down the days to her summer vacation trip with all the gusto of Zorro and his infamous 'Z', until she discovers her best friend's plot to end his life while she's away.
