[3] Michael Douglas, Kathleen Turner, and Danny DeVito return for this lackluster sequel to 1984’s terrific Romancing the Stone. The Jewel of the Nile picks up six months after the end of the first movie, with adventurous Jack (Douglas) and romance novelist Joan (Kathleen Turner) getting on each other’s nerves while sailing around the world. The two get embroiled in a tug-of-war between Arab factions …