Hiroo Onoda was sent to Lubang Island in December 1944 with orders not to surrender or take his own life under any circumstances. His mission was to destroy the island's airfield and harbour facilities, but he failed to carry out these objectives before American forces took control of the island. Onoda and a few fellow soldiers retreated into the jungle, where they remained long after the war had officially ended.

Onoda's refusal to accept the war's end was fueled by his belief that the leaflets and messages informing him of Japan's surrender were enemy propaganda. Over time, this disbelief turned into a fixed mindset, with Onoda interpreting any information that contradicted his original orders as fake.

Onoda's time in the jungle was marked by violence and fear, as he and his men subsisted on raided food and were constantly on the move to evade capture. The group gradually became smaller, with Onoda's companion surrendering in 1950 and other members being killed or dying due to their difficult lifestyle.

In 1974, a young Japanese adventurer named Norio Suzuki found Onoda and spoke with him directly, but Onoda refused to surrender without orders from his original commanding officer. Suzuki located the officer, who then travelled to Lubang Island and gave Onoda the order to stand down on 9 March 1974.

Onoda's return to Japan was met with a hero's welcome, but his legacy is also marked by controversy. While some admire his dedication and loyalty, others criticize his actions as an example of fanatic nationalism and point to the violence committed by Onoda and his followers while they were in hiding on Lubang Island. As the world continues to grapple with the complexities of war and loyalty, Onoda's story serves as a reminder of the importance of nuanced discussions about duty, belief, and the human cost of conflict.