The betrayal, secret revealed, or external force tears them apart. This is the 80% mark where you throw your popcorn.
It’s not just entertainment. It’s emotional practice for being human. Would you like a condensed checklist version (e.g., “Top 10 Must-Watch Romantic Dramas” or “Romantic Drama Tropes Ranked”)?
Meet-cute (or meet-ugly). Immediate chemistry or conflict. Establish the flaw that will later break them.
Shared experience (road trip, working together, surviving a storm). Walls come down. “I’ve never told anyone this but…”