A tale of a woman who is seeking revenge for the murder of her big brother, by becoming a surrogate mother of the woman responsible of his death. Baek Yeon-hee broke up with her first love and married another man, a president of a restaurant chain. However, Yeon-hee gets a cervical cancer and becomes infertile. Her mother-in-law forces her to have a child by a surrogate, who is a sister of Yeon-hee’s first love, Hwa-young. Their relationship brings drama, between a mother who tries to keep her child and another one to get her child back.

《布谷鸟巢》是一部描写一个怀着复仇心成为把自己的哥哥推向死亡的女人的代理母亲，从而做梦要报复的女人李和映和另一个为了守住自己的人生和孩子而奋斗的女人白妍熙之间展开的矛盾纠葛的凄惨、哀婉的复仇剧。

<カッコウの巣>は兄を死へと走らせた女が代理母になって残酷な復讐をしようとする女性（イファヨン）と、自分の人生と子どもを守るために奮闘する女性（ベクヨンヒ）との葛藤を描いた悽絶で切ない物語である。子どもを守ろうとする母と取り戻そうとする母の葛藤と復讐がドラマの面白さを増す。ベクヨンヒの夫のチョン・ビョングクとイファヨンのドロドロの三角関係と、ベクヨンヒへのユソンビンの純愛も描かれる。