Retired mixed martial artist Wes "The Jailor" Baylor (Scott Adkins) can't refuse a million-dollar purse he's offered for one final bout in Myanmar. But when he arrives for the fight, he learns he's been tricked into BECOMING the target of a human hunt. Carrying only water and a ruby-filled money belt for the last person standing, Wes must outsmart the heavily armed group that has paid to kill him. As he fights for his life in the treacherous jungle terrain, the hunters become the hunted.
太平洋雨夜，海滩尸骸遍野，货船遭巨兽撕碎，灾难预兆降临。边郊监狱内，死刑犯乌川临刑前夜遇史前大蛇袭击，混乱中越狱，却在唐人街被女警秦雅擒获。 恰逢驲珲化工爆发蛇灾，乌川母亲被困车间，他拒捕欲救人，此时各类史前怪兽肆虐，城市沦为炼狱。二人与幸存者躲进超市，合力斩杀潜藏怪物。众人查明，驲珲化工违规排海才引生物报复。 吴川挺身营救母亲与幸存者，击败大蛇阻止二次污染
故事发生在韩国釜山的海云台，在2004年印尼海啸中，由于船长万植（薛景求 饰）的失误导致了妍熙（河智苑 饰）父亲的死，他内心怀有深深地自责，并无微不至地照顾这个邻家妹妹，慢慢地两人暗生情愫。不过，万植的中学同学吴东春（金仁权 饰）却并不看好这对苦命鸳鸯。万植的弟弟亨植 （李民基 饰）是海上救生员，他在一次行动中，认识了富家小姐金希美（姜艺媛 饰），两人在阴差阳错的交往中，闹出了不少误会。维珍（严正花 饰）推动海云台成为世博会旅游观光点的大使，她和前夫——国际海洋研究所地质专家金辉（朴重勋 饰）育有一女，但她现已另觅爱人。金博士为此非常苦闷，同时他在观测中发现大马岛和海云台的东海地质情况跟2004年的印尼海啸如出一辙，一次罕见的巨大海啸正在逼近海云台，然而灾难防御厅却对此不以为然……
The story is said to follow a pair of loner college undergrads, Jack and Montgomery, who order a take-out pie, but accidentally take a homemade drug that turns a two-floor journey downstairs into a “mind-bendingly transformative quest.”
