Following a catastrophic series of natural disasters in Japan in 2002, the country is left in ruins, prompting a division between North and South Japan. With refugees finding shelter in Taiwan, tensions rise as clashes erupt between them and the locals due to job scarcity and deteriorating living conditions. Raised in Taiwan by adoptive parents, survivor Genichiro Ryu entangles himself in the conflict, striving for peaceful coexistence between the Japanese refugees and the Taiwanese citizens.