Story Structure — 5 Plot Phases
Nostalgic Beginnings
The story starts at a 2012 high school reunion dinner, with flashbacks to 1997 when the six friends were 18-year-old high school students in Busan.
Key Events
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Reunion Begins — Six friends gather at high school reunion Characters: Sung Shi-won, Yoon Yoon-jae, Do Hak-chan, Kang Joon-hee, Mo Yoo-jung, Bang Sung-jae
Location: Revenue Restaurant
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Time Travel — Friends as 18-year-old high school students Characters: Sung Shi-won, Yoon Yoon-jae, Do Hak-chan, Kang Joon-hee, Mo Yoo-jung, Bang Sung-jae
Location: Busan High School
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Idol Worship — Friends attend H.O.T. concert Characters: Sung Shi-won, Mo Yoo-jung, Do Hak-chan, Bang Sung-jae
Location: Concert Hall
Fan Culture Frenzy
Deep dive into 1990s K-pop idol culture, focusing on H.O.T. and Sechs Kies, showing the friends' extreme fandom and daily high school life.
Key Events
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Idol Worship — Friends attend H.O.T. concert Characters: Sung Shi-won, Mo Yoo-jung, Do Hak-chan, Bang Sung-jae
Location: Concert Hall
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Fanatic Beginnings — Friends form H.O.T. fan club Characters: Sung Shi-won, Mo Yoo-jung, Do Hak-chan, Bang Sung-jae
Location: School rooftop
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Unspoken Feelings — Sung Shi-won confesses her feelings Characters: Sung Shi-won, Yoon Yoon-jae
Location: School hallway
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Heartbreak — Yoon-jae rejects Shi-won's feelings Characters: Sung Shi-won, Yoon Yoon-jae
Location: School rooftop
First Loves and Heartbreaks
Development of romantic relationships among the friends, featuring unrequited love, mutual attractions, and emotional conflicts.
Key Events
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Heartbreak — Yoon-jae rejects Shi-won's feelings Characters: Sung Shi-won, Yoon Yoon-jae
Location: School rooftop
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Hidden Truth — Joon-hee reveals her feelings to Yoon-jae Characters: Kang Joon-hee, Yoon Yoon-jae
Location: Beach
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Moving On — Friends graduate from high school Characters: Sung Shi-won, Yoon Yoon-jae, Do Hak-chan, Kang Joon-hee, Mo Yoo-jung, Bang Sung-jae
Location: School auditorium
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New Paths — Friends start college at different schools Characters: Sung Shi-won, Yoon Yoon-jae, Do Hak-chan, Kang Joon-hee, Mo Yoo-jung, Bang Sung-jae
Location: University campus
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Time Apart — Yoon-jae and Hak-chan enlist Characters: Yoon Yoon-jae, Do Hak-chan
Location: Military base
Life's Crossroads
The friends face important life decisions after high school, pursuing different careers and paths as they transition into adulthood.
Key Events
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Time Apart — Yoon-jae and Hak-chan enlist Characters: Yoon Yoon-jae, Do Hak-chan
Location: Military base
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Professional Growth — Friends establish their careers Characters: Sung Shi-won, Kang Joon-hee, Mo Yoo-jung, Bang Sung-jae
Location: Workplaces
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Fateful Encounter — Shi-won and Yoon-jae reunite unexpectedly Characters: Sung Shi-won, Yoon Yoon-jae
Location: Busan streets
Reunion Revelations
Return to the 2012 reunion dinner with revelations about who is getting married and reflections on how their relationships have evolved.
Key Events
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Truth Revealed — Friends reveal relationship statuses Characters: Sung Shi-won, Yoon Yoon-jae, Do Hak-chan, Kang Joon-hee, Mo Yoo-jung, Bang Sung-jae
Location: Revenue Restaurant
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Wedding Bells — Shi-won and Yoon-jae announce their engagement Characters: Sung Shi-won, Yoon Yoon-jae
Location: Revenue Restaurant
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Looking Back — Friends reflect on their journey Characters: Sung Shi-won, Yoon Yoon-jae, Do Hak-chan, Kang Joon-hee, Mo Yoo-jung, Bang Sung-jae
Location: Revenue Restaurant
As a teen, Shi Won was obsessed with a boy band. Now 33 years old, Shi Won and her friends are reviving their memories as their school reunion nears.
