Familiar Wife (2018) [Aneun Waipeu] is a romantic fantasy South Korean television series starring Ji Sung, Han Ji-min and Kang Han-na. It aired on tvN from August 1, 2018 through September 20, 2018.
In Familiar Wife (2018), a married couple suddenly finds themselves living entirely different lives after their fates magically change through an unexpected incident.
Cha Joo-hyuk (Ji Sung) works at a bank and has been married to Seo Woo-jin (Han Ji-min) for five years. A strange incident takes place one day and Joo-hyuk makes a decision that impacts his life and those around him in unexpected ways. Suddenly, the life he had with Woo-jin and his best friend, Yoon Joong-hoo (Jang Seung-jo) no longer exists and he is leading an entirely different life.