What is the falling action in the book flush?

Noah meets a strange pirate who is Grandpa Bobby (Noah's grandpa)who

saves him and his sister Abbey from Jasper Jr. and bull. He also saves them from getting on fire(there

was a man trying to shoot at abbey and Noah with a flare gun.Grampa

Booby pops up,gets

the flare gun,and

throws it into the lake(Noah

and Abbey are on a boat which they have been on for a few hours reac

h a dock with goons running to get them and that's where Grandpa Bobby comes in.