In Your Radiant Season

S1:E1 Episode 1

Seven years after a lab explosion, Chan returns home for work and unexpectedly meets Haran again.

S1:E2 Episode 2

Chan sees that Haran is frozen in winter and suggests a three-month trial friendship.

S1:E3 Episode 3

Haran rejects Chan's three-month friendship offer, but Chan is undeterred.

S1:E4 Episode 4

As Chan and Haran grow closer, a mysterious sound begins to haunt him, revealing gaps in his memory.

S1:E5 Episode 5

Chan and Haran's trip to Gyeongju awakens a lost memory in Chan, stirring up a sudden storm.

S1:E6 Episode 6

Haran misses Chan, who returns to the U.S. The three sisters clash.

S1:E7 Episode 7

Haran reunites with Chan, who is back from the US. A welcome home party is held for Chan at SHIM.

S1:E8 Episode 8

Chan reconciles with his father and returns her fountain pen. Haran has an unexpected encounter.

S1:E9 Episode 9

Chan lies about the fountain pen to stay by Haran's side, but guilt compels him to tell the truth.

S1:E10 Episode 10

Chan is confused after seeing Haran with Sujin. Nana returns from Chuncheon with a big decision.

S1:E11 Episode 11

Haran reads a note and is left reeling by Chan’s seven-year-old secret.

S1:E12 Episode 12

Realizing the trial is over, Haran searches for Chan and learns the truth about seven years ago.