艾德里安（马里奥·卡萨斯 Mario Casas 饰）经营着一间科技公司，事业蒸蒸日上，家中有美丽贤惠的妻子和活泼可爱的女儿，事业家庭双丰收的他是旁人羡慕的对象。然而，野心勃勃的艾德里安并未珍惜眼前来之不易的生活，一直以来，他和一位名叫劳拉（芭芭拉·蓝妮 Bárbara Lennie 饰）的女摄影师保持着肉体关系。 某日幽会过后，两人驱车离开别墅，却在路上发生了车祸，为了掩盖事件的真相，两人决定将在车祸中死去的青年丹尼尔联同他的车一起沉入湖底。之后，劳拉遇见了一位善良的老人，老人将劳拉坏掉的车拉回家中修理，然而，令劳拉没有想到的是，这位老人，竟然就是丹尼尔的父亲。

 Mata follows the story of a French secret agent who is wounded during a covert mission in Niger. During this operation, her colleague Antoine is captured, leaving her both physically and emotionally scarred. Upon her return to France, Mata volunteers for a counter-espionage mission in the Alps. She suspects that this new assignment is somehow linked to her traumatic experience in Africa. As she delves deeper into the mission, Mata becomes increasingly convinced that her superiors are concealing critical information from her. Determined to uncover the truth, she operates outside official channels, risking her career and her personal safety.