"PK" is a 2014 Indian satirical science fiction film directed by Rajkumar Hirani. The story follows an alien named PK, played by Aamir Khan, who lands on Earth and struggles to understand human behavior and religious beliefs. His innocent questions challenge societal norms and provoke thought about faith and spirituality. The film explores themes of love, friendship, and the quest for truth. PK's interactions with various characters, including Anushka Sharma and Sanjay Dutt, highlight the absurdities of organized religion. The movie received critical acclaim for its unique narrative and strong performances, becoming one of the highest-grossing Indian films of all time.