Overview

• The Korean drama began streaming worldwide on Netflix on September 12, 2025.
• Kim Go-eun and Park Ji-hyun portray Ryu Eun-jung and Cheon Sang-yeon across stages of life from adolescence into their forties.
• The narrative explores a lifelong bond defined by admiration, jealousy, and a pivotal end-of-life decision.
• All 15 episodes are available now in a single-season release, departing from the typical weekly K-drama rollout.
• Jo Yeong-Min directs from a script by Hye-jin Song, with supporting roles for Kim Gun-woo, Cecilia Kim, Erin Choi, Kim Mi-ji, and Lee Sang-yoon.