D'Artagnan and his fellow Musketeers plot to replace the ineffectual Louis XIV of France with his secretly imprisoned twin brother Phillipe, who is the firstborn and rightful King.

Six friends hire a medium to hold a seance via Zoom during lockdown, but they get far more than they bargained for as things quickly go wrong.

The disappearance of a young woman's father and a mysterious note years later after the strange regular annual delivery of valuable pearls to her puts Sherlock Holmes on the case.