This is a fresh and highly dramatic premise. Excellent! The two protagonists makes it complex, but not impossible.

The structure works: two protagonists, a catalyst, an action, a conflict, a theme. But “unwillingly tethered” is a little clunky as an adverb-plus-adjective pair; “tethered against their will” or just “tethered” reads cleaner.

“Search for redemption and peace” is the theme rather than something we can watch; if both ghosts are chasing an internal state, we don’t get a visible goal to follow.

The character descriptions tell us their armies but nothing about who these men are; what kind of soldier each one was would tell us how the bickering plays.

The genre stack reads overdetermined (primary and secondary, three or four labels), and a single tonal cue inside the logline would do the work without needing the disclaimer below.

But the story is genuinely fresh: enemy soldiers who killed each other on Guadalcanal becoming tethered ghosts to a shared bloodline they didn’t know they’d share is a strong premise, and the bickering across decades has real comedy potential alongside the drama. What’s missing is the specific stake. Why are they bound to him? What happens if they fail? And what makes the union “impossible”? A concrete stake and a concrete reason would replace the abstract “search for redemption” with something we can watch.