Rikki Tikki is washed up to a family's bungalow after a flood
Exposition
Rikki meets Nag and Nagaina while exploring the garden
Foreshadow of rising action
Rikki fights Nag in the bathroom after hearing his plans to kill him and the family
Rising Action
After Rikki smashes Nagaina's eggs, he chases her into her hole
Climax
Rikki comes out of the hole victorious having killed Nagaina
Falling Action
One of the birds that lived in the garden proclaimed to all the other animals that Nag and Nagaina were dead and they could all live their lives with no fear of them.