Hearts in Bondage is a 1936 American black-and-white war drama film directed by Lew Ayres for Republic Pictures. Set during the American Civil War, the film depicts the Union Navy's deliberate sinking of USS Merrimack, the Confederate States Navy's salvage and refitting of the ship as the ironclad CSS Virginia, the Union Navy's development of the ironclad USS Monitor to counter Virginia, and the subsequent engagement of the two vessels in the Battle of Hampton Roads. It also features many historical characters, including United States President Abraham Lincoln, Secretary of the Navy Gideon Welles, and Confederate States President Jefferson Davis. The fictional plot, starring James Dunn, Mae Clarke, and David Manners, pits two friends and future brothers-in-law on opposite sides of the North–South conflict, dividing their families and threatening their survival. Hearts in Bondage is notable as a rare example of a Hollywood film to depict the naval battles of the American Civil War.