1) The document is a story about Olivia, who was orphaned as a child and adopted by a wealthy family in Moldova. She grew obsessed with her adopted brother David and felt anger towards his girlfriend Claire.
2) Olivia secretly grew the poisonous plant monkshood and tricked Claire into rubbing its leaves on an open cut, poisoning her. Claire became ill and died, though the cause was initially unknown.
3) An autopsy later revealed the cause of death was aconite poisoning from monkshood. Olivia's adopted sister Anna, who had botanical knowledge, was banished under suspicion of the murder.