一项国际科研项目正在马里亚纳海沟深处进行紧张地实验，这个项目由中国进行主导，其他国家辅助共同开发，项目前期进展十分顺利，快要到末段实验时出现了意外情况，一条巨大的不明生物攻击实验船，所有科研人员都被困在海底，他们不得不发出求救信号
乔纳斯·泰勒是前美国海军陆战队深海潜水专家，这一次他奉命前往马里亚那海沟执行营救任务，让他没想到的是，数年前曾经在深海给自己留下深刻记忆的史前生物巨齿鲨再度出现，给他的任务完成造成了极大阻碍。最终，乔纳斯与中国女科学家张苏茵联手将被困人员成功解救，却意外导致巨齿鲨逃离深海来到浅海，这将对人类造成极大的杀伤，一场围捕巨齿鲨的行动不得不提上议事日程。
An international scientific research project is undergoing intensive experiments in the depths of the Mariana Trench. This project is led by China and jointly developed by other countries. The early stage progressed very smoothly, but an unexpected situation occurred near the end of the experiment. A huge unknown creature attacked the experimental ship, and all the scientific researchers were trapped on the bottom of the sea, and they had to send out a distress signal
Jonas Taylor is a former US Marine Corps deep-sea diving expert, this time he was ordered to go to the Mariana Trench to perform a rescue mission What he didn't expect was that the megalodon, a prehistoric creature that left a deep memory on him in the deep sea a few years ago, reappeared, which greatly hindered the completion of his mission. In the end, Jonas and the Chinese female scientist Zhang Suyin successfully rescued the trapped people, but accidentally caused the megalodon to escape from the deep sea to the shallow sea, which would cause great harm to human beings. Put it on the agenda.
《巨齿鲨》是一部充满刺激和紧张的动作片。影片展现了巨大恶鲨的恐怖力量，给观众带来了令人屏息的观影体验。杰森·斯坦森的出色表演和雷恩·威尔森的反派形象增添了故事的张力和趣味性。导演乔·德特杜巴巧妙地安排了多场精彩的追逐和战斗场面，使整个电影充满了紧张的氛围。
该电影的制作水平令人瞩目。特效的运用让巨齿鲨栩栩如生，给观众带来了震撼的视觉效果。影片中的海底探险和水下场景设计精美，为故事增添了一层神秘感。同时，电影的音效和音乐也非常出色，配合剧情的发展营造了紧张和惊险的氛围。
《巨齿鲨》虽然属于动作片类型，但它也融入了一些幽默和轻松的元素。角色之间的互动和对话增添了观影的乐趣，使电影更富有趣味性。此外，电影也涉及到环境保护的议题，通过剧情向观众传达了对大自然的敬畏和保护的重要性。