Wreck of the RMS Titanic research. The stern section, which had previously received relatively little attention from explorers, was specifically targeted for analysis. The microbial colonies aboard "Titanic" were also a key focus of investigation. The second expedition, from 27 May – 12 June 2004, saw the return of Robert Ballard to "Titanic" nearly 20 years after he discovered it. The expedition spent 11 days on the wreck, carrying out high-resolution mapping using video and stereoscopic still images. 2005 saw two expeditions to the "Titanic". James Cameron returned for the third and last time to film "Last Mysteries of the Titanic". Another expedition searched for
Heart of the Ocean to view the recovered drawing and Lovett shows her some artifacts salvaged from the wreck, specifically those recovered from her stateroom on Titanic. During this scene Lovett reveals the origins of the diamond and that if it is recovered the Heart of the Ocean would be worth more than the Hope Diamond. While examining an ornate butterfly comb, Rose becomes emotional and begins detailing her time aboard the Titanic. During the film the audience's perspective alternates between the past and present as Rose shares her memories. Rose divulges the intimate details of her relationship with the artist of the drawing,