Ziam (2025) Spoiler-Free Summary – What It's About

In a world scarred by relentless heat and dwindling resources, the once‑vibrant streets of Bangkok have become a shadow of survival. Climate‑driven famine has pushed continents to the brink, yet Thailand—thanks to an uneasy abundance—remains a fragile oasis amid global scarcity. Martial law hangs over the capital, and every day feels like a thin line between order and chaos, as the population grapples with the ever‑present specter of hunger and unrest.

​Singh, a former Muay Thai champion turned driver, has spent years navigating the precarious supply routes that keep his city alive. Beneath his hardened exterior lies a yearning for peace: he dreams of leaving the perilous underground of the metropolis, proposing to his beloved ​Rin, a compassionate doctor who has tended to the sick in the waning days of normalcy. Their plan is simple—a quiet retreat to the remote village of Chiang Dao, where love and a fresh start might finally eclipse the violence that has defined Singh’s past.

When the hospital where ​Rin works is besieged by a relentless wave of the undead, the fragile hope they have built is shattered. The infection spreads through the very place meant to heal, thrusting Singh into a desperate battle for survival. In the midst of crumbling walls and mounting dread, the film captures a stark, gritty atmosphere where raw physical skill meets unyielding terror, and where the fight for a future hinges on the courage to confront an unforgiving present.