高中自然课女教师杰西卡（金•贝辛格 Kim Basinger 饰）被绑架了，幸好歹徒囚禁她的地方放置有一部老式的拨号电话。杰西卡慌乱之中随便拨了一个号码进行求救，她的求救电话打到了小伙子瑞恩（克里斯•埃文斯 Chris Evans 饰）的手机上。瑞恩一开始以为是恶作剧，但随后歹徒发现了杰西卡在向外求救，砸坏了电话。听到歹徒的吼叫和杰西卡惊呼，瑞恩才意识到事态严重。杰西卡在歹徒走后利用她的自然课知识重新拼装好了电话，重新和瑞恩取得了联系。通过她的讲述，瑞恩得知歹徒很快就会对她的丈夫和儿子下毒手，而杰西卡连自己身处的位置都不知道。留给瑞恩的时间已不多，何况他的手机电量有限。瑞恩必须尽一切努力去挽救杰西卡一家的性命。...
Wynne, who is suffering PTSD from the death of her fiancé, starts seeing disturbing images on her cell phone about her future. If she doesn't figure them out in time, she will die. Whitney Rose Pynn...
I Cannot Live Without You centres on a successful middle-aged executive addicted to his devices whose world falls apart when his wife demands a divorce and he signs up for an unusual therapy for cell phone addicts....
