Wedding bells toll on the island of Malta for Lord Tewkesbury (Louis Partridge) and his sweetheart, brilliant young detective Enola Holmes (Millie Bobby Brown), but Dr Watson (Himesh Patel) arrives ahead of the vows with shocking news: Sherlock (Henry Cavill) has been kidnapped. Enola becomes consumed with cracking the case, having argued with her brother shortly before his disappearance about relinquishing the Holmes name at the altar.