Director-producer Anand L. Rai, who has directed a string of hit films like "Tanu Weds Manu" and "Raanjhanaa", has said his upcoming movie with superstar Shah Rukh Khan will have a romantic story."I don39t want to reveal the story. For now, I am keeping it to myself only. Hopefully, I can bring a great story for the audience. Let me save the suspense for you," said Rai at the premiere of the movie "Sunshine Music Tours And Travels".However, he hinted that it will be a romantic plot.Asked whether it would be a romantic movie, he said: "You may assume that. When an actor like Shah Rukh is there, it is bound to do something with romance."The film will hit theatres on December 21, 2018, and SRK is to play a dwarf in the movie."Release dates always scare me but it has to be announced, so we did it. But work is still going on. We are hoping to make a good film," said Rai.The film is produced by "Dilwale" star39s home production, Red Chillies Entertainment.Meanwhile, Shah Rukh is currently shooting for Imtiaz Ali39s "The Ring" with Anushka Sharma in Prague.