A small unidentified Flying object (UFO) descends from the sky and hits the place where dead cattle is kept to be eaten by scavengers near to a small town Berry, Two Alien centipedes come out of the round space ship and move towards the dead cattle .They enter a dead cow In the afternoon as a routine call a truck loaded with fresh dead cattle comes to offload the stuff , Vultures starts to hover around the place with dogs also coming to the place who feed on the cattle
Two dogs happen to eat the alien infected cow and alien creature enters the dogs , Both dog collapse after eating the cow , As the evening takes place both the dogs wake up , John who is the care taker of the place visits the place to clean up , he is attack by these furious dogs and is killed , They then eat him alive both dogs then rush off the place in the dark .
American Hotel Tycoon stone has opened a new heritage resort at Berry town for which his marketing team has run a contest and shortlisted five persons win three days/4 nights stay at hotel as a marketing strategy to spread awareness in United states .The Company would bear entire cost of all the people selected for it , Stone , his manager and all five persons fly down to newly open berry resort to spend their holiday at the resort , Mean while infected dogs on the way also kill a couple in the car who were having sex
The resort is a very beautiful place which has all the state of art infrastructure and scenic beauty as berry town is covered with snow covered mountains , The American travelers arrive in the resort and are welcomed by the resort staff and allotted their respective rooms , The wife of the dead worker john files a complain in local police station of his not returning home , Local officer peter visits the place where he was working and finds the half eaten body of john ,He is stunned to see the condition of the body and sends the sample & body to doctor for sample testing and post-mortem so that he can carry forward the proceedings soon he also hear the killing of the couple in the car , he discovers the same condition of the bodies . He gets a call from the doctor that it is a case of animal attack but doctor has not seen this condition of body ever in his life
Two winners Michael and bon decide to take the round of the beautiful scenes of berry town and Leave the hotel as they are roaming it starts raining bon is left behind and disappears Michaels shouts for him but he is not there so due to heavy rain he returns back , Bon loses the way to hotel and is confronted with these dogs he is also killed , The Dog has now become man eaters and have thirst from human flesh and blood , The alien creature is making the dogs more strong and big , As Bon does not return to the resort resort calls for the local officer about bon disappearance , Officer Nassua visit the resort and narrates about the whole story of animal attacks in Berry town the hotel the winners get afraid and start to worry but stone and court staff tell them to cool down and Bon will return
Meanwhile The dog have intercourse with bitches and they start to produce puppies in a cave , The puppies start to grow quickly , The two dogs then attack the resort killing the staff & owner stone and one winner but the officer arrives quickly and shoots down one dog which has grown double the size & the other escapes , The dog body is brought to the doctor and as he is studying the body it quickly attacks him and the officer shoots him but he is not dead then as he about to jump doc assistant quickly electrifying it and is killed , the doctor says the only way the dogs can be killed is by fire , The local officer with his team and winners hunts the trail of the other dog carrying detonators and fire guns , They find cave with army of many puppies who are born and ready to attack berry town , The officer and team fights with the dog by fire guns while remaining winner guys detonate the cave & Finally the cave is blown and the dog & aliens also killed saving the town of Berry and life of people