Dragon Ball Z Special: Desperate Resistance!! The only remaining super warriors Gohan and Trunks

In another future, Sun Wukong died of a heart attack, and Androids 17 and 18 harmed the world, turning the earth into a hell in 13 years. The Dragon Ball warriors sacrificed one after another, and only Sun Wuhan managed to escape with only one arm. Under his training, Trunks became a new generation of Dragon Ball warriors. Finally one day, the androids came to the city where the two lived. Gohan fought alone and was eventually killed by the powerful opponent. The sad and angry Trunks finally became a Super Saiyan at that moment, but he was still no match for the artificial man and almost died. In order to save mankind, Bulma devoted herself to inventing a time machine to allow Trunks to go back to the past, hoping to bring back Sun Wukong to save the future earth...