Jun (played by Kwon Sang-woo) was once the "Elite Assassin" for South Korea's National Intelligence Service (NIS). Longing for a normal life, he fakes his death during a mission by jumping from a helicopter into a stormy sea.
The film was a commercial success in South Korea, surpassing 1 million moviegoers in just five days.
It is noted for its unique blend of live-action and animated sequences used to illustrate the webtoon segments.