Complex sentence: As the turbulence clears Tony feels insecure about telling the priest about his intention but soon the plane is fine and Tony is scared that the priest may reveal his true identity so he kills the priest at Bangkok airport and the blame falls on Preeti and Piya.
Split into simpler sentences: As the turbulence clears Tony feels insecure about telling the priest about his intention. He kills the priest at Bangkok airport and the blame falls on Preeti and Piya.