Hot & Sour Fish Soup

• 2 cod fillets (whole)
• 2 stalks lemon grass tender
• 2 scallions
• 2 cilantro is vital (fresh)
• 1 tomato quartered
• 1 chiles serranos (julienned)
• 1/2 lime zest
• 1,200 ml boiling water
• 700 gr rice
• 60 ml lime juice (fresh)