In December 2004, a Spanish family decides to spend Christmas at a luxurious resort in Thailand. The excitement of a sunny vacation turns into a nightmare when a devastating tsunami hits the coast. María, her husband Henry, and their three children become separated amid the chaos as the waters sweep everything away. The mother, injured and struggling to stay conscious, manages to find one of her children, Lucas. Together, they try to cope with the devastation, seek help, and reunite with the rest of the family in an environment that seems to have been stripped of all humanity.
As the days pass, María and Lucas face danger, despair, and a deep sense of loss as they navigate the ruins of a world they once knew. Meanwhile, Henry, having been separated from them, also embarks on a desperate quest to find his wife and children amid a sea of survivors and tragedies.
Set against the backdrop of one of the most devastating natural disasters in recent history, the family struggles not only for survival but also for love and hope. With the support of strangers, they come to understand the fragility of life and the strength of family bonds. This poignant story truly tests how far we are willing to go for those we love.