Su Wan is a Virgo homebody who was kicked out of the house by her mother after a blind date failed. However, she unexpectedly lived with Chu Yi because of the landlord's mistake.
Su Wan, a Virgo, and Chu Yi, a Virgo, are extremely picky about each other. After losing a bet, Chu Yi became Su Wan's "beloved concubine" and unwillingly did a series of things for her. However, in the hilarious run-ins or bickerings, he found that he could no longer leave Su Wan.