本该剧为科幻版的《爱情公寓》，讲述了女外星人为了拯救未来世界末日，来到公元2015年，住进三个男生的合租小屋，从此开启了啼笑皆非的奇幻故事，他们在收获友情的同时，也迎来了珍贵的爱情。

Jiang Wen Jing's dream is to become a prosecutor. She successfully gets accepted into the public prosecutor's office and under the guidance of fellow colleagues Yin Chuan and Yu Kai Yin, takes on many difficult cases that help her grow into a successful prosecutor.