The story of a husband who returns to his prime days, which was 18 years ago just before his divorce.

18 Again

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A shocking video of Da-jung goes viral on the internet.

Woo-young and Da-jung goes out on a date. Reality hits when Woo-young gets mistaken for Da-jung’s son.

Woo-young confesses that he is actually Hong Dae-young, but Da-jung does not believe him.

Woo-young finds out that Shi-ah does not plan to go to university.

Shi-ah is reminded of her father when Woo-young helps her treat the wound on her finger.

A huge commotion occurs after Ja-sung confesses to Shi-ah in public.

Shi-ah gets attacked by a stalker on her way home at night. Woo-young arrives just in time.

Da-jung struggles to expose Il-kwon's admissions bribery scandal.

Deok-jin bumps into Il-kwon at a hotel and the two get into a fight.

Il-kwon becomes suspicious of Woo-young's identity after watching him play basketball.

Woo-young feels threatened by Ji-hoon, who is being nice to Da-jung.

Woo-young wants to find out the real reason why Da-jung wants a divorce.

Da-jung is being harassed by drunks on the street who recognises her as an announcer. Woo-young saves her just in time.

Woo-young challenges Ja-sung to a basketball match to stop him from bullying Shi-woo.

Now classmates with his children, Woo-young discovers truths about them that he never knew before.

After losing the opportunity to be promoted, Dae-young returns to his high school and reflects on life.