At a lavish masked ball at Hollow Manor, guests arrive in elaborate costumes, filled with excitement as music and laughter fill the air. However, the evening takes a dark turn when a blood-curdling scream disrupts the festivities, leading guests to the library where signs of a struggle suggest something sinister has occurred. Lady Mirabel, the hostess, attempts to maintain calm, but suspicion grows among the attendees. The tension escalates until they discover the missing guest alive, revealing himself as an undercover detective. He staged the scream to uncover a would-be thief among the partygoers. With the mystery resolved, guests unmask and laughter returns, while the detective reassures Lady Mirabel that her estate is safe-for now. As the night concludes, Hollow Manor remains shrouded in secrets, its history deepening amidst the revelry.