1. Cook bacon in a skillet over medium heat 4 minutes or until crisp, stirring occasionally. Add shallot and white parts of onions; sauté 2 minutes. Add wine, scraping pan to loosen browned bits. Stir in vinegar, corn, 1/4 teaspoon salt, and 1/4 teaspoon pepper; cook 4 minutes or until thoroughly heated. Stir in green parts of onions.
2. Heat a large nonstick skillet over medium-high heat. Add oil; swirl to coat. Sprinkle fillets with remaining 1/4 teaspoon salt and remaining 1/4 teaspoon pepper. Add fillets to pan; cook 4 minutes. Turn and cook 3 minutes or until desired degree of doneness. Divide corn mixture among 4 plates; top with fillets. Sprinkle thyme evenly over fillets.