Familiar Wife (Korean: 아는 와이프; RR: Aneun Waipeu) is a romantic fantasy South Korean television series starring Ji Sung, Han Ji-min, Jang Seung-jo, and Kang Han-na.

Cha Joo-hyuk works at a bank and has been married to Seo Woo-jin for five years.

When a strange incident happens one day, Joo-hyuk makes a decision that impacts his life and those around him in unexpected ways.

How will his first love, Lee Hye-won, factor into his new life?

The first script reading was held on May 9, 2018 at the conference room of Studio Dragon's main office at the 17th floor of DDMC Building in Sangam-dong, Seoul, South Korea.