Gillian Anderson and Hannah Einbender star in Jane Schoenbrun's delicious slasher homage/parody "Teenage Sex and Death at Camp Miasma."

The filmmaker Jane Schoenbrun ('I Saw the TV Glow') once again delves into their personal life in this arresting, abstract allegory premiering in Cannes' Un Certain Regard sidebar.

Jane Schoenbrun’s newest film, starring Hannah Einbinder and Gillian Anderson, had its world premiere Wednesday night inside Debussy Theatre to kick off the Un Certain Regard…