20 years on from the Boxing Day Tsunami, which killed over 220,000 people in 14 countries, we revisit the communities most affected to explore its lasting impact and to learn first-hand how survivors have tried to rebuild their lives.

In Malaysia, we discover how the district of Kuala Muala has transformed its tsunami history into a powerful testament of collective strength. We meet Vimon in Phang Nga, Thailand to hear his extraordinary acts of heroism in rescuing tourists while mourning his own family's loss. Communities in Sri Lanka and India recount their resilience and reveal how they have drawn strength from the enduring lessons of the past. In Indonesia, which suffered over 70% of the casualties, we visit Aceh, one of the worst affected areas, to reflect on the tsunami's devastation as well as the global response and rescue efforts that proved to be pivotal. Plus, we investigate how Indonesian and Singaporean scientists are collaborating to monitor and anticipate future disasters.

With moving testimonials from both survivors and rescue workers, discover how the waves exposed the true essence of humanity in the face of catastrophe.