1. Warm oil in a large heavy skillet over medium-high heat until hot but not smoking. Add shrimp and cook, turning over once, until just cooked through, about 2 minutes. Using a slotted spoon, transfer shrimp to a large bowl, leaving excess oil in skillet.
2. Add garlic and red pepper flakes to skillet and cook until fragrant, about 30 seconds. Carefully add wine and cook over high heat, stirring occasionally, for 2 minutes. Stir in tomatoes, basil, spinach, salt, and pepper.
3. Return shrimp to pan and cook over medium high heat, just until heated through. Divide wild rice among 4 bowls, top with shrimp, and serve