尸妖冥泉

Gyeong-ah works as a caregiver and lives alone. The only one she can rely on is her daughter, Yeon-su, but it's hard to see her after she moved out on her own. Meanwhile, Yeon-su, who is suffering from her ex-boyfriend, Sang-hyun, argues with him again and visits her mother’s house. After Yeon-su left, Gyeong-ah receives a shocking message from a stranger.。单亲妈妈夏天（杨幂 饰）作为物理研究所的高级研究员，与所长共同研究出可使生物体穿越虫洞进行时间旅行的技术，当研究有了突破性进展时，儿子豆豆（张艺瀚 饰）却被神秘绑匪崔琥（霍建华 饰）绑架，为了挽救豆豆的生命，夏天冒险用未完成的粒子技术 返回1小时50分钟前，却令事情变得更加复杂，更遭遇到意想不到的困局：要去面对三个自己在时空旅行中的变异互博。而崔琥的背后故事也渐渐浮出水面……。