Summer Vacation Season 1 Episode 1 — Kim Ha-yeon B

Ha-yeon, an ordinary second-year high school student, heads to Upo-ri with her parents for summer vacation. Struggling with friendships and family relationships, she unexpectedly meets Yu-gyeom, the young heir of a traditional Korean family. The two then experience something unbelievably mysterious.

Summer Vacation Season 1 Episode 1 (“Kim Ha-yeon B”) is episode 1 of 2 in Season 1 and first aired on October 26, 2026. It runs about 1h 1m. Summer Vacation is a Drama, Sci-Fi & Fantasy and Mystery series from Lifetime.