禁忌：新的姐姐

Two years ago, rural resort entrepreneur Dae-gil (Jung Min-joon) remarried insurance tycoon Mrs. Song (Li Liuling) because of his fancy fortune. However, their marriage is not stable due to the gradually collapsing resort business and Dae-gil's son Sung-ho (Kim Young-sik) who does not approve of him. To make matters worse, the downtrodden Mrs. Song hatches a conspiracy with her young male lover in order to escape the monthly life that forces her to meet her insurance sales goals, in pursuit of freedom and a breakthrough in a new life. She then launches a dangerous bait for her remarried husband Dae-gil and his son Sung-ho..

"Taboo: New "My Sister" is a film about a complex relationship and a forbidden love story within a family. In the story, Mrs. Song's arrival broke the originally peaceful family and triggered a series of shocking and twisted events. In order to escape from bondage and pursue her own desires, she does not hesitate to use conspiracy and bait, trying to change the fate of herself and her family.

By showing the complexity of human nature and the power of desire, this film arouses the audience's deep thinking on morality and family relationship. It reveals the negative consequences that can arise when a person pursues personal gain and freedom, and the destruction and suffering that such conflict can cause.

"Taboo: The New Sister" conveys an important message: when pursuing desire, we should think about its consequences and moral constraints. Family and relationships are important supports in our lives, and we need to handle and maintain these relationships carefully to avoid hurt and regret.

With its fascinating plot and complex character relationships, the film arouses the audience's thinking about human nature and moral dilemmas. It reveals the dark side of human nature and the power of desire, while also evoking the cherishment and reflection of family and love.