On the eve of the 2002 FIFA World Cup, Irish captain Roy Keane forfeits his place in the squad at the team's preparation base in Saipan, following a heated disagreement with manager Mick McCarthy.

The boss asks his wife to avoid Saipan, where he and the other members of the organization are, because her secret mistress is there. However, Min Ji falls in love with Sang Hoon, a member of the organization who was also there. The boss, who won't believe Min Ji, sends the killer to investigate the situation, and after the killer arrives in Saipan, he reports their movements to the boss one by one.

The boss, who received a report on the sweet love line between his wife, Min-ji, and Sang-hoon, whom he believed in, gets extremely angry and comes to Saipan with his wife, ordering a killer to kill Sang-hoon. However, Min-ji, who has already fallen in love, sacrifices herself to Sang-hoon After buying time to escape, Sang-hoon survives and confesses to the boss about the relationship between the killer and the boss's wife.

The 2018 SUMMER PACKAGE in Saipan by BTS follows the format of a summer vlog. Following the group's activities in Saipan, the DVD features the members partaking in photoshoots around various locations, along with behind the scenes to the '2018 SUMMER PACKAGE in Saipan' photo book and merchandise collection.