电影《姐妹的隐居》讲述了两个名为美锦和美秀的姐妹来到首尔寻找工作的经历。然而，她们在找房子的过程中意外地遇到了一个曾经的熟悉面孔——美锦的前男友，让整个故事开始了一段错综复杂的同居旅程。美秀发现自己喜欢上了美锦的前男友季焕，她认为这是一个与他约会的机会，于是姐妹俩和前男友的秘密同居拉开了帷幕

美锦和美秀是两个性格迥异但感情深厚的姐妹。她们都希望在首尔找到稳定的工作，开始新的生活。然而，当她们遇到房东时，惊讶地发现他竟然是美锦的前男友。这个偶然的相遇让两姐妹感到尴尬，同时也激起了美秀内心的波澜。她对季焕产生了一种特殊的好感，认为这是一个与他接触的绝佳机会。

美秀在暗地里开始设法接近季焕，同时用各种方法吸引他的注意。在同居的日子里，姐妹俩和季焕之间产生了一系列令人啼笑皆非的情感纠葛。美锦对于美秀的意图开始有所察觉，她对姐妹之间的友情和感情产生了矛盾。然而，她并没有完全展示出自己的情感，而是选择了默默守护着美秀。

The movie "Sister's Retreat" tells the story of two sisters named Mi Jin and Mi Soo who came to Seoul to find a job. However, in the process of looking for a house, they accidentally ran into a familiar face - Meijin's ex-boyfriend, which started the whole story of a complicated cohabitation journey. Meixiu finds herself in love with Meijin's ex-boyfriend Ji Huan, and she sees this as an opportunity to date him, so the secret cohabitation between the sisters and her ex-boyfriend begins

Meijin and Meixiu are two sisters with different personalities but deep feelings. They all hope to find a stable job in Seoul and start a new life. However, when they met the landlord, they were surprised to find that he was Meijin's ex-boyfriend. This chance encounter made the two sisters feel embarrassed, and at the same time, it aroused Meixiu's inner turmoil. She developed a special affection for Ji Huan and thought this was an excellent opportunity to get in touch with him.

Secretly, Meixiu began to try to get close to Ji Huan, and at the same time used various methods to attract his attention. During the days of cohabitation, a series of emotional entanglements that make people ironic have arisen between the sisters and Ji Huan. Meijin begins to be aware of Meixiu's intentions, and she has conflicts about the friendship and affection between the sisters. However, she did not fully show her emotions, but chose to silently guard Meixiu.