Obsession in Malfoy Manor (смешанная)

The rehearsal wedding of Draco and Astoria is not going to plan... uninvited guests, missing legal documents, murder... someone is attempting to sabotage their union, and with everyone around them harboring their own motive, how will Draco unravel the mystery in time to fulfil his duty as a Malfoy?
Triggers:
Angsty with happy ending
Mild violence
Mild sexual descriptions