When a famous actress Han Hye-mi is rumored to be dating Ji-hoon, an idol star who's on the rise to stardom, Han So-eun, a notorious troll, starts to attack Hye-mi online. But the truth is that Hye-mi's So-eun's mother, and they live as neighbors to hide the truth. However, during the mother-daughter war, people start to suspect their relationship.
