An omnibus film, Sorry, I Love You, Thank You tells the story of 3 different relationships. Estranged former boxers Gang Chil and Jong Gu reconcile their lost time and friendship in an old boxing arena. After his wife died in an accident, Myeong Hwan is left to raise his daughter by himself, struggling to deal with fatherhood. Meanwhile, a struggling actress, Seojeong is cast in a trashy drama, while her manager, Tae Yeong, tries the hardest to make her famous.