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