H/C: Holmes tries to kill himself by running along Thames bridge, Watson there to stop him

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Looking for an achingly heart-wrenching fic that will make you cry, surely. It's definitely Holmes/Watson slash, I do believe movie verse.

Holmes is so broken (almost PTSD-afflicted) that he'd rather die than be a burden to Watson. I distinctly remember a scene when Holmes is running along a bridge or something, about to kill himself by jumping into the Thames because he fears he is irrecoverable and does not want Watson to suffer. Watson is running right along on the ground trying to convince Holmes not to jump. It the end, he doesn't, and it becomes schmoopy cuddles. It's sad and beautiful.

Title might (MIGHT!) have been something like "Field of ____". Please help! I need a good cry!