M3 - Midsummer Midnight Mumbai (2014)

Rahul marries Sapna, but then goes to the police station and asks them to file a murder case against him. The cops are taken aback, and before they can ask any more questions, Rahul vanishes. It's thought he's been killed, but Sapna runs into Rahul, who tells her he's not dead. The rest of the movie revolves around who died and why, as well as what Rahul has done about it.