When Sam and Dean look into a murder at a museum, they learn a ghost from a merchant ship that sunk in 1723 may be at the heart of the mystery. After realizing ÔÇ£The StarÔÇØ was the same ship that CrowleyÔÇÖs son Gavin McLeod should have been aboard, they enlist help from Rowena to track Gavin down. Kelly Kline, still pregnant with LuciferÔÇÖs child, takes refuge with a demon after an angel attempts to kill her.