After a chance encounter, four musicians decide to form a quartet and spend the winter sharing a cozy villa in Karuizawa — but a secret hangs over them.
E1 · Episode 1
After a fateful meeting at a Tokyo karaoke venue, four musicians head to quiet Karuizawa to start a new chapter performing as a string quartet.
E2 · Episode 2
A skeptical Suzume wonders why Beppu and Iemori were at karaoke on the same night as Maki. Beppu’s coworker asks him to perform at her wedding.
E3 · Episode 3
A teenage boy suddenly shows up outside Nocturne and tells Suzume that her gravely ill father has little time remaining and wants to see her.
E4 · Episode 4
Two rugged men come to the villa and ask Iemori about a woman in a photo, but he denies knowing her location. After they leave, he shares a secret.
E5 · Episode 5
When a music producer invites the quartet to perform at an upcoming classical music festival, Maki panics and flatly refuses the man’s offer.
E6 · Episode 6
Suzume unwittingly brings a thief back to the villa. Meanwhile, Maki’s mother-in-law Kyoko interrogates her, demanding to know if she killed Mikio.
E7 · Episode 7
Maki makes a spontaneous, romantic gesture after finally reuniting with Mikio at the villa. Suzume rushes to free herself and alert Kyoko.
E8 · Episode 8
Life at the villa is peaceful after Maki’s divorce. Setting aside her own feelings, Suzume enlists Iemori’s help in bringing Maki and Beppu together.
E9 · Episode 9
Seeing his housemates’ regret over losing the villa, Beppu asks for time to find a solution. Uninvited guests visit Karuizawa to speak with Maki.
E10 · Episode 10
One year after Maki’s departure, Beppu becomes despondent upon seeing her in a magazine article and tells the others to give up on seeing her again.
