Intheaftermathofaconspiracy-mindedfather’ssuddendeath,hisdaughterinheritshispatentforanexperimentalhealingdevice.FeaturingarchivesfromCallieHernandez'slatefather,Inventionexplorestheprocessofgrievingacomplicatedparent,andthefilmmakingitselfbecomesapartoftheprocess.
