Se-Ha (Shin Ha-Kyun) and Dong-Goo (Lee Kwang-Soo) are not blood-related brothers, but they have been like brothers for the past 20 years. Se-Ha is smart, but he has a physical disability. Dong-Goo is not very smart, but he is in excellent physical condition. These two men meet Mi-Hyun (Esom). She is the only person to treat them without prejudice. Mi-Hyun helps them get out into the world.