'Do Do Sol Sol La La Sol' Episode 4: Jun hides secret that may involve bestie’s death, can Rara accept him?

'Do Do Sol Sol La La Sol' Episode 4 sees Jun do everything possible for Rara and that includes making a space especially for her in his apartment while taking care of Mimi
Go Ara and Lee Jae-wook (KBS2)
Go Ara and Lee Jae-wook (KBS2)

'Do Do Sol Sol La La Sol' Episode 4 sees Jun and Rara continue to get closer as he takes care of her. From the beginning, he has been taking care of her, as if he knew her much before the incident with her bridal bouquet. We saw a shot from the past of another man enjoying Rara's concert from the balcony and had assumed that this man could be Jun, as he is after all on the run from some thugs. Then we saw one of the women from a rich and affluent family hire thugs to find her son called Jun as well. 

So we had speculated that this could be Jun, however, over the episode we find out her son Jun was found washed up on the shore. The watch on this person's hand is the same as the one on the hand of the person who enjoyed the concert and now that we see Jun's picture with another boy that he keeps hidden in his flat, we wonder if Jun has just borrowed his friend's identity to stay undercover and not be found. Jun's identity has not been revealed but what is clear is that his friend had been all fine one day and had bid goodbye to his friend one night only to never return again and on a rainy night too. 

A still of Rara in 'Do Do Sol Sol La La Sol' episode 4. (KBS2)

We know this because we see him react intensely when Rara tells him bye on another rainy day with Dr. Cha Eun-seok (Kim Joo-hun). In fact, he surprises her by holding her close and telling her not to leave and we wonder if this is a result of post-traumatic stress disorder. If it is, can Rara who has always been protected from facing the worst of the world's reality by her father be able to understand him and comfort him as he grieves the loss of his friend. He had stayed by her during the toughest period in her life and had even helped her open a piano studio. Will all of this play into Rara's decision?

There is also the fact that the man who once wore the watch now found alongside a dead body also seemed to like Rara. He had said that she is exactly his style. Is this Jun's friend, or Jun himself? While we wait to find this out, there is the matter of what Dr. Cha feels for Rara. He had told Jun that the young man was helping Rara only out of sympathy and even wondered aloud if Jun is on the run from somebody. He has also been quite persuasive while showing his interest in Rara, but it makes us wonder if this is all romantic or just an interest in someone who likes the same things as him -- classical music. 

A still of Dr Cha and Sook-kyeong in 'Do Do Sol Sol La La Sol' episode 4. (KBS2)

He definitely wants Rara to do better and after having seen how she was abandoned by the groom just as she was walking down the aisle has made an impression on him. He is the senior of the man who was supposed to be married to Rara but was forced to run away at the last minute by his mother when they had heard that her father's business had failed. Now that things are turning serious, can Rara really continue to be as lighthearted as she is in the face of personal loss?

'Do Do Sol Sol La La Sol' will air on KBS2 on Wednesdays and Thursdays in Seoul, South Korea, and can be streamed on Netflix in the US.

GET THE BIGGEST ENTERTAINMENT STORIES
STRAIGHT TO YOUR INBOX.

MORE STORIES

'General Hospital' wins its sixth consecutive 'Outstanding Drama Series' award at Daytime Emmys
2026-10-31T07:32:44.000Z
The Apple TV series relocates a Swedish crime saga to rural Pennsylvania and keeps its prisoner underground
2026-10-31T07:04:20.000Z
Bertha Russell and her family face shifting social dynamics, new rivalries, and personal challenges in the next chapter
2026-10-31T06:09:14.000Z
'Fire Country' introduces a new love interest for CJ in its latest episode
2026-10-31T05:46:21.000Z
Season 20 had already finished filming by the time Paramount+ made its call on the BAU drama
2026-10-31T05:09:12.000Z
'General Hospital' fans are eager for updates on Spencer, as questions grow about his possible return to the show
2026-10-31T04:34:52.000Z
Skye becomes concerned about her mother and grandfather in the latest episode of 'Sheriff Country'
2026-10-31T03:34:03.000Z
'Haunted Hotel' blends supernatural comedy, family drama and emotional moments as Katherine and her ghostly companions face new troubles.
2026-10-30T18:06:08.000Z
‘Nocturne’ Episodes 1 and 2 set up a tense mystery around Jurek, Karl, Jonah and Saga as a missing girl’s case takes a dark turn.
2026-10-30T14:51:44.000Z
Ella Purnell returns as Rhiannon Lewis in 'Sweetpea' Season 2, where a copycat killer threatens her secrets as she juggles new relationships.
2026-10-30T12:12:22.000Z