Seo-joon, loses everything to voice phishing and infiltrates a organization in China to meet Kwak Pro, the designer behind this phishing system.

In 1592, admiral Yi Sun-sin and his fleet face off against the might of the invading Japanese navy and its formidable warships. As the Korean forces fall into crisis, the admiral resorts to using his secret weapon, the dragon head ships known as geobukseon, in order to change the tide of this epic battle at sea.

Unable to remember anything about his life, a man begins regaining consciousness in a new body every 12 hours. Now, he must piece together his identity, all while evading attacks from pursuing agents and dangerous criminals alike.