Chatfah, the youngest sister of the Bupphachinda family, has just received the largest share of her father's inheritance and is about to be married. However, Chatfah falls from the highest floor of a vacation home to her three older sisters' shocked eyes. When her body disappears, her three sisters—Baibua, Chomphu, and Picha—become suspects in her disappearance.
　　The eldest sister Baibua is composed, wise, and has always sacrificed for her family. The second, Chomphu, is a confident model whose boyfriend Chatfah stole and was engaged to. The third, Putpichaya, is a jewellery designer and the closest to Chatfah. The three search for Chatfah while further tragedy befalls them following their youngest sister's disappearance.
　　When no one else can be trusted, the three sisters must try to trust one another. They move back to their childhood mansion to find out who was behind Chatfah's disappearance, which could very well be one of them.

張一（宋佳 飾）和張?chǎng)危ㄓ鞫魈?飾）是一對(duì)結(jié)婚多年的夫妻，張一是高級(jí)建筑師，為了支持妻子的工作，在張一懷孕之后，張?chǎng)胃试皋o職回歸家庭，成為了一名家庭煮夫，對(duì)于丈夫?yàn)榧彝プ龀龅臓奚?，張一心懷感激，所以在多年之后，?dāng)張?chǎng)螞Q定重新回歸職場(chǎng)開始創(chuàng)業(yè)之際，張一不惜抵押了自己的房產(chǎn)，來表示對(duì)于丈夫的支持。哪知道張?chǎng)斡鋈瞬皇?，不僅投資失敗，還被人設(shè)計(jì)騙走了股份，直到這時(shí)，張一依然堅(jiān)定的站在丈夫的身邊，直到她發(fā)現(xiàn)，原來丈夫一直和自己的朋友楊雁（劉敏濤 飾）有著背德的關(guān)系，張一崩潰了。當(dāng)她整理好心情準(zhǔn)備帶著女兒離開張?chǎng)危氐礁改干磉呏H，張一發(fā)現(xiàn)自己又懷孕了。