Bridget Jones's pan-fried salmon with pine nut salsa

Name: Bridget Jones's pan-fried salmon with pine nut salsa
Cuisine: European, British
Ingredients: 100g currants; 4 salmon fillets, skin on and pin-boned (500g); 100ml olive oil; 4 celery sticks, cut into 1cm dice (180g), leaves removed but kept for garnish; 30g pine nuts, roughly chopped; 40g capers, plus 2 tbsp of their brine; 40g large green olives, pitted and cut into 1cm dice (about 8); 1 good pinch of saffron threads (1/4tsp), mixed with 1 tbsp hot water; 20g parsley, roughly chopped; 1 lemon: finely grate the zest to get 1 tsp, then juice to get 1 tsp; salt and black pepper