Low-stakes comfort and deep trust; the conflict usually involves the fear of losing the friendship.

Consider Mad Max: Fury Road . It is a film about car chases and water wars. Yet, the emotional anchor is the relationship between Furiosa and Max. It is not a sexual romance, but a romance of mutual respect. Their storyline follows the beats of a classic romance: suspicion, alliance, sacrifice, and a bittersweet parting. Without that relational arc, the explosions would be meaningless.

: Whether the conclusion is a "happily ever after" or a bittersweet parting, the Couple Summit emphasizes that the ending must feel earned through the journey the characters have taken.

Romantic storylines are not confined to the romance genre. In fact, subplots involving romantic relationships are vital tools for character development in action, sci-fi, fantasy, and horror narratives.