1.Bring A Large Pot Of Water To Boil, Add Fettuccine Noodles And Return Water To Boil. Cook Until Noodles Are Al Dente. Drain Well. 2.Meanwhile, In A Large Skillet, Melt Butter Over Medium Heat, Add Shrimp And Cook About 3 Minutes, Until Shrimp Turn Pink. Remove Shrimp From Heat And Set Aside. 3.Pour Wine And Lime Juice Into The Skillet Used To Cook The Shrimp. Bring The Mixture To A Boil. Boil Until The Mixture Is Reduced By Half, About 2 Minutes. Return Shrimp To Skillet. Add Cilantro, Cayenne Pepper And Salt And Pepper. Stir To Heat The Mixture Through, About 2 Minutes. Toss With Pasta And Serve.