1Episode 1
In 1992, Ryu Eun-jung clashes with new student Cheon Sang-yeon out of envy. Years later, Sang-yeon returns with news of her illness — and a final request.
2Episode 2
Upon rejecting Sang-yeon's request, Eun-jung revisits their past — from her complex friendship to her fondness for Cheon Sang-hak, Sang-yeon's brother.
3Episode 3
Eun-jung meets Kim Sang-hak in her college photography club — a man who shares a name with someone from her past. Her timidness soon turns things awkward.
4Episode 4
After years of no contact, Eun-jung and Sang-yeon meet again in college. But old shadows of insecurity soon resurface — rekindling old pain between them.
5Episode 5
Sang-hak's enlistment sparks distance — for Eun-jung, ignored calls and secrets online begin to emerge, putting her friendship with Sang-yeon in danger.
6Episode 6
Sang-yeon and Sang-hak grow closer as they bond over her brother, and Eun-jung's suspicions grow — leading her to a truth that changes how she sees them.
7Episode 7
After Eun-jung confronts her about Sang-hak, Sang-yeon tries to ease the tension — but soon discovers a shattering secret about her brother.
8Episode 8
Left out by Sang-hak and Sang-yeon's secret, Eun-jung feels alone and adrift — until heartbreak and hardship scatter all three in different directions.
9Episode 9
Now a film producer, Eun-jung crosses paths with Sang-hak once again — but when disastrous news hits their project, Sang-yeon reappears.
10Episode 10
As filming begins, Eun-jung and Sang-yeon clash over scripts, budgets, and creative style — while both hope to land Sang-hak as their cinematographer.
11Episode 11
A remote location scout leaves Eun-jung and Sang-yeon isolated, and small setbacks and creative clashes spiral into an unresolved, tense standoff.
12Episode 12
An on-set accident puts filming in jeopardy. Eun-jung and Sang-yeon must pull together to keep the project on track — relying on Sang-hak's expertise.
13Episode 13
Sang-yeon's resentment for Eun-jung boils over, just as a violent on-set crisis throws the production — and their partnership — into chaos.
14Episode 14
After their friendship ends in anger, Eun-jung shuts Sang-yeon out for good. Years later, Sang-yeon returns, hoping Eun-jung will grant her last wish.
15Episode 15
As Sang-yeon nears her final journey, Eun-jung grapples with a difficult promise. On the eve of goodbye, they share memories from a lifetime of friendship.