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In Seoul, Su-Hyeon is terminal with leukemia, and bald due the treatment of chemotherapy. Her sister Ji-Hyeon buys a long-haired wig, but she does not disclose the truth about Su-Hyeon's health condition to her beloved sister. While wearing the wig, Su-Hyeon recovers her health and hits Ji-Hyeon's former boyfriend Ki-Seok, changing her behavior and relationship with her sister. When Ji-Hyeon discovers that the wig is possessed by a fiend, she finds that it was manufactured using hair of a cadaver and a dark secret about Ki-Seok's sentimental life.

How to Watch The Wig Legally and Safely

If you want to stream The Wig through reputable and legal services, there are a few good options depending on where you are. Subscription platforms like HBO Max, Disney+, Netflix, Amazon Prime Video, and Apple TV+ sometimes carry The Wig films or related DC titles—though availability depends on your country.

If you’d rather not commit to a subscription, there are ad‑supported, free (but legal) platforms such as Tubi, Pluto TV, Peacock or Crackle (where available in your region) that occasionally host superhero films.

Lastly, don’t forget about library‑linked streaming options like Kanopy or Hoopla (if your library or university is registered), and official uploads by film distributors on YouTube—these can also give you legal access to classic movies.