Not Beyond Loving

Transported south alongside his former partner, now his sworn enemy, for their murderous and cannibalistic crimes, Sweeney Todd's plans for his own future entail a strong rope around his neck and a sturdy tree. But when Mrs. Lovett pulls an impromptu escape, leaving them alone on a desolate portion of the French coast, they must learn to cooperate once again, while he still slaves over his plots of revenge--except this time, it's her throat he wants to slit.
Sweenett (SweeneyXNellie).
AU where the officers intercepted them before he flung her into the fire.

Title from Alice Walker's preface to The Color Purple: "...A chance for me to encounter That Which Is Beyond Understanding But Not Beyond Loving and to say: I see and hear you clearly, Great Mystery, now that I expect to see and hear you everywhere I am, which is the right place."