This course of action packed thriller follows a covert Marines unit that trailed maritime kingpin of a notorious crime syndicate, Choi Hee Gon. After Hee Gon slayed all the family members of the initial members of their team and his wife, team leader Kwon Jung Ryool has been forced to abort his mission. Stranded, Kim Sun Woo, Jung Ryool's trusted representative that was young, has stayed undercover. With authenticity and Poseidon's standing surpassed, Jung Ryool summons Sun Woo from the underworld and together, they put out to shoot down Hee Gon once and for everybody. Higher than a pretty face, the team is joined by Lee Soo Yoon for a corporal who's not to be tampered with.