’InVitro’isanotherworldlyruminationonmemory,history,placeandidentity.SetinBethlehemdecadesafteranecological-disaster,thedyingfounderofasubterraneanorchardisengagedinadialoguewithheryoungsuccessor,whowasbornundergroundandhasneverseenthetownshe’sdestinedtoreplantandrepopulate.Inheritedtrauma,exileandcollectivememoryarecentralthemes.