After a brutal invasion of China by the Imperial Japanese Army, a Chinese professor in Boston named Wu Ming Tai decides to return to Beijing to translate a document for the UN. This document confirmed the war crimes of the Japanese army against China. However, the Japanese general was aware of the professor's return home. The army would do anything to prevent the return of Wu Ming Tai, including kidnapping his brother and forcing him to become a Japanese citizen.

After ten years of knowledge and choice, after the victory of the War of Resistance Against Japan, Lin Nansheng has grown into a true Communist Party member. And at the critical moment of the War of Liberation, he made outstanding contributions to the party and the country.

Cheung Kei-sang and the orphan Chau Sai-kai, two young lovers from a village in Southern China, are forcibly separated on their marriage day due to the Japanese invasion. Filled with hatred and vengeance, Sai-kai joins a Kuomintang secret agency, becoming their spy, while Kei-sang ends up in a Communist guerrilla militia and receives training to be their government’s spy. It is through this militia group where Kei-sang meets Kong Sheung-hung, another Communist spy. Together, they go on a mission to search for a Japanese businessman, who looks eerily like Sheung-hung...

The drama tells the story of air force pilots and their families from 1945 to 1971. As the husbands embarked on patriotic missions to fight against the enemies, their families must content with horror of wars, mass emigration to distant land, and death of love ones. Their shared experience brought the military families together to support one another.