"Sam" (Laurie Knyaston) was once a BAFTA nominated director who has landed a gig making a documentary for Netflix at the stately home of "Lady Isabella" (Sian Clifford). His introduction to her is somewhat unnerving: she's eccentric, aristocratic, flirtatious, intruiging - oh, and clearly bonkers too. It doesn't take him long to realise that very little here is quite what it seems or what he'd wanted, but with his (u…