Ji Miaomiao, a young woman just starting her career, is betrayed by a friend and left with a mountain of debt. While fleeing from ruthless debt collectors, she accidentally falls from a building. On the brink of death, a mysterious figure transforms her into a cat. By a twist of fate, she ends up being adopted—by none other than her own boss, Lu Chengze. Thus begins her strange and magical 100-day life... as a cat.
Miaomiao gets harassed by debt collectors and meets a deity with a challenge for her.
According to office gossip Mr. Lu got a cat... Meanwhile Miaomiao gets a visit from a deity.
Mr. Lu learns more about Miaomiao's past from a coworker and it's difficult to sleep in this new arrangement.
After a rough night on the couch Mr. Lu accidentally leaves his flash drive at home, can Miaomiao get it to the office on time...as a cat?
Miaomiao is stuck in Mr. Lu's office as a cat and his rivals don't play nice.
Miaomiao wants to go for a walk, but Mr. Lu's grandfather wants him to go on a blind date so it's a game of hide and seek with more feline time.
Mr. Lu deals with a troublesome employee while Miaomiao adjusts to being his guest.
Human Miaomiao goes for a walk and is surprised to find she understands cats, Supervisor Xia follows his suspicions.
With Xia joining team Miaomiao, Lu moves them all to his parent's house where jealousy could put her in danger again.
Miaomiao has been captured by the gang that has been chasing her, how will she regain her freedom?
Miaomiao recovers from the incident with Peng Fei, Xia meets someone new and Mr. Lu comes to a realization.
Peng Fei visits Miaomiao and things progress with Mr. Lu.
Lu is confronted with an arranged marriage from his grandfather, is Miaomiao's fate sealed?
While Mr. Lu and Miaomiao try to understand the motives behind her bargain Ms. Ning is hospitalized.
Obsession and jealousy threaten Miaomiao's remaining time with Lu, can she reveal her feelings before fate tears them apart?
Miaomiao has returned to the beginning of her journey, can the knowledge she possesses keep everyone safe?
Miaomiao adjusts to her new life, but is she the only one that remembers what happened?