Joon-hyuk is forced to be her mixed doubles partner. The first practice is brutal. He refuses to sync with her. She refuses to adjust her stance. They lose a practice match 21–5.

It seems the phrase you provided — "mslsl ahb kl allb alhlqt 1 mtrjmt HD Love All Play jmy alhlqat - fydyw lfth" — looks like a mix of Romanized Arabic (possibly "مسلسل أحب كل القلب الحلقات 1 مترجمة HD Love All Play جميع الحلقات - فيديو افتتاح") and English. It translates roughly to: "Series 'I Love with All My Heart' episodes 1 translated HD Love All Play all episodes - opening video."

He hesitates. “Because… my father said I’d never be champion if I let myself feel. So I stopped feeling. Until I saw you again.”

Layla looks at Joon-hyuk. “Do you love me? Or just winning?”

Here is the story: Episode 1 – The Rival's Heart Opening scene: The camera pans across a crowded badminton arena in Seoul. The scoreboard reads 19–20. Match point for the underdog.

She serves. He smashes. The shuttlecock lands perfectly on the line.

“Why do you still play?” he asks.

At match point, Layla tears her calf muscle. The referee offers a medical timeout. Joon-hyuk kneels beside her.