CSI: New York: One Wedding and A Funeral

Mac investigates a groom murdered on his wedding day, found stuffed and wrapped like a wedding present. Meanwhile, Stella finds a box of bloody puzzle pieces left on her car. After putting the puzzle together the team can't figure out what the message is until Mac sees it and recognizes the buildings as having significance in his life. He heads to Chicago to investigate the clues, feeling that the puzzles are connected to the 3:33 am phone calls he had been receiving.