The story of The Devil's Gate: An Impossible Journey by Deepak Kripal is about two lead characters - Katy the cat and Dug the dog. Katy is a secret agent of a well known agency UA - united animals having a wide network of intelligence. Katy is sent on a mission having two main purposes. First she has to make Dug agree to accompany her. And second, both of them have to travel to a distant island which remains invisible all the time except during the night of the full moon. The invisible island is called Island of 'Five Hundred Graves'. Katy is a well trained multi talented commando who has undergone extensive and toughest kind of training to become one of the most admired agent of her agency UA. Dug also boasts of having lot of talents and qualities to match Katy's.
Both Katy and Dug do not gel well in the beginning but even the two dislike each other, they are forced to go to this special mission of finding out the invisible island and get the complete report about it. The invisible island is known to be under the control of demons. The main mission of Katy and Dug in The Devil's Gate: An Impossible Journey by Deepak Kripal is to finalize a deal with demons so that animals be allowed to become habitat of this invisible island. Most of the team members of UA feel that this mission is nothing but a death trap for Katy and whosoever accompanies her there on that mission as the amount of risk in this journey and destination is tremendously high.
There is a heart touching story that Dug narrates Katy on their way to the invisible island while they are travelling by a boat through turbulent sea. There are many secrets that get revealed as the story moves ahead. What makes Katy soften her stand towards Dug is interesting to know in this mysterious fiction thriller. The purpose told to Katy for this specific mission is a misleading one where the UA chief has some other purpose behind this whole gamut. And the thrill goes to its peak the moment Dug and Katy put their first step on the invisible island. Overall The Devil's Gate: An Impossible Journey by Deepak Kripal is quite interesting to read.