High Kick (2006)

S01E23 Episode 23

Min-yong grows frustrated with Hae-mi's constant interruptions during their conversations. To make a point, he decides to mirror her behavior and interrupts her in return. On another note, Mun-hee is taken aback when she spots someone who looks eerily similar to Mrs. Kaesung-daek outside her window. Upon closer inspection, she discovers that it's her twin sister.