 In a small town, an auto mechanic named Benny is devoted to taking care of his mentally ill sister, Joon, who can barely function alone in the real world despite being a talented artist. This relatively stable situation is shaken up when Benny is obliged in a poker game to welcome another player s relative, Sam, to his home for a few days. When Sam arrives, he quickly makes an impression with his quietly eccentric ways which emulate the antics of the great silent movie comedian, Buster Keaton. Without Benny s full knowledge, Sam and Joon finds themselves drawn to each other to the fullest degree. However when Benny finds out, it creates a rift in the siblings as they struggle to accept their relationship is profoundly changing with the presence of this odd newcomer.