In "Dracula" by Bram Stoker, Jonathan Harker visits Transylvania to assist the mysterious Count Dracula with a real estate transaction, only to uncover the Count's vampiric nature. As Dracula moves to England to spread his dark influence, a group of determined friends, led by Professor Van Helsing, unite to confront and stop his reign of terror, blending Gothic horror with themes of love, loyalty, and courage.