Familiar Wife

Cha Ju-hyeok and Seo U-jin lead an unhappy marriage as busy working parents. One day, Ju-hyeok is handed something special.

Ju-hyeok secretly buys a new video game console knowing that he's dead if U-jin finds out. Later, he returns to the mysterious toll booth.

Ju-hyeok wakes up in a different house and lying next to a different wife. U-jin picks up a stranger's phone and tries to return it.

When U-jin begins her new job at the bank, Ju-hyeok tries to have her transfer to another branch. Lee Hye-won's behavior upsets Ju-hyeok's parents.

Meeting U-jin's mother startles Ju-hyeok, who finally learns about her condition. At the bank, U-jin is put in a potentially dangerous situation.

After confessing his feelings to U-jin, Yun Jong-hu volunteers to join her on an overnight work trip. Horrified, Ju-hyeok follows them.

A surprise visitor comes to the bank looking for Ju-hyeok. The three friends agree to go on a getaway together with their partners.

Ju-hyeok wants to return to the way it was, but it may be too late. When her mother goes missing, U-jin is overcome with worry.