What Are Common Conflicts In Stories Using 'The Enemy Of My Enemy Is My Friend' Trope?

The 'enemy of my enemy is my friend' trope thrives on temporary, pressure-cooker alliances, and the most common conflicts stem directly from that inherent instability. While they're united against a shared threat, the original, deeply personal animosity between the two characters never really goes away; it just gets buried under a layer of pragmatic necessity. You constantly get this delicious, prickly tension where they have to cooperate—maybe even save each other's lives—while still fundamentally disliking and distrusting one another. Every moment of reluctant teamwork is undercut by a sarcastic barb or a suspicious glance, because the old wounds are still raw. This setup is a masterclass in forced proximity, where characters who'd rather be anywhere else are chained together by circumstance, making every interaction a minefield of past grievances and present peril.

Beyond the personal friction, a huge source of conflict is the looming question of the alliance's endgame. What happens after the common enemy is defeated? They're essentially building a weapon together that one might immediately turn on the other. This leads to secret agendas and betrayals simmering beneath the surface. One party might be gathering blackmail material on the other during the cooperation, or planning a double-cross for the moment victory is secured. The 'friend' part of the phrase is always in ironic quotes, because the relationship is a transactional deal, not a genuine bond. The central dramatic question becomes whether their shared struggle will forge something real enough to survive the peace, or if it was just a pause in their war.

External pressures complicate this further. Their respective factions or loved ones often don't understand or approve of the alliance, viewing it as a betrayal. A character might have to hide their collaboration from their own family or allies, creating a secret-identity subplot layered on top of the shaky partnership. Meanwhile, the common enemy isn't a passive obstacle; they will actively work to exploit this fragile union, driving wedges, planting seeds of doubt, and revealing inconvenient truths about one 'friend' to the other. The conflict is thus three-dimensional: the internal strife between the partners, the external threat they've teamed up against, and the societal or familial backlash their team-up provokes. It’s that constant, multi-front pressure that makes the trope so relentlessly engaging, right up to the inevitable moment of truth where the temporary alliance must either solidify or shatter.