Reverse [1] (Korean: 역류; RR: Yeokryu) is a 2017 South Korean television series starring Shin Da-eun, Lee Jae-hwang, Kim Hae-in, and Seo Do-young.

The series aired daily on MBC TV from 7:50 a.m. to 8:30 a.m. (KST) starting from November 13, 2017 and ending on April 26, 2018.

After experiencing the bankruptcy and sudden death of her father, the sudden disappearance of her boyfriend Joon-hee and younger brother Jae-min faced huge difficulties, interior designer Kim In-yeon discovered that all of the misfortunes came from Taeyang Group.

From that day, she decided to take revenge on those who created misfortune for her family.

In Vietnam, the series was broadcast on VTV3 at 18:10 p.m. on weekdays from February 28, 2020 under the title Ngược dòng.