Two North Korean naval soldiers, Choe Baek Du and Lim Dong Hae, stationed at Mt. Maebong camp, unexpectedly find themselves in South Korean waters after a peaceful day of fishing and dozing off. It's summertime on the East Coast, and the sight of beachgoers in skimpy bikinis is a pleasant surprise. However, their efforts to explain their presence are misconstrued, leading to confusion with local authorities. Matters escalate when they encounter a runaway high school girl, the police chief's daughter, intensifying the search for her. (Source: MyDramaList)