女主母亲心脏病发作,其父亲却不顾母亲安危去陪白月光,母亲看到这一幕含恨而亡,父亲连葬礼都姗姗来迟。女主心寒决定与父亲断绝关系,要让他为母亲之死付出代价,从此收起脆弱悲伤,要坚强为母讨公道!。女犯人贞慧在狱中生下儿子珉宇,小珉宇就像上帝派来的小天使,让这些和贞慧一样曾犯下罪过的女人在围墙之内品味久违的温情。一次慰问演出让贞慧萌生了在监狱里组建合唱团的想法,可是贞慧不仅五音不全,而且完全没有相关经验。小珉宇满18个月后将被领养,为了得到在领养之前与儿子一起外出的机会,贞慧决定无论组建合唱团有多困难都要坚持下去。在众多善良狱友的帮助下,合唱团终于小聚规模,然而令贞慧没想到的是,一起与儿子外出的日子也是与儿子的离别之日。合唱团就像一个幸福的大家庭,它不仅带给那些失去自由的犯人们欢乐,而且也在逐渐弥合曾经的苦难记忆留在他们内心的殇痛。。"Can't we all just live together?" It would be nice, but for the twin brothers Il-do and Yi-do, it's just a wishful thought. Born under a cursed fate due to their parents' original sin, one must die for the other to live. To avoid this, they have deliberately cut off contact. However, when Yi-do, who works for a gang, gets stabbed, Il-do somehow hears about it and rushes to don...。