From the first episode I didn’t understand anything from this drama
she has 2 different personalities [ 4 am - 4 pm = eun ho ,,,, 4 pm - 4 am = hyeri ] ....... eun ho works at the station [ morning ] , she had 8 yrs relation with ML , they broke up but she loves him .......... hyeri works at the parking lot [ afternoon ] , she likes the 2ML .....