Also known as: Brain aneurysm
Addison initially tells people her mother Bizzy died from an aneurysm, though it is later revealed she actually died by suicide. The aneurysm claim was a cover story to hide the true cause of death from public scrutiny.
Also known as: Heart attack
Addison briefly mentions heart attack as the cause of her mother's death in one conversation before correcting it to aneurysm, adding to the confusion around Bizzy's actual cause of death.
Also known as: Synthetic cannabinoid overdose
The true cause of Bizzy's death is revealed to be suicide by overdose - she took a bottle of pills. This is the central medical and emotional conflict of the episode, as Addison struggles with whether to reveal the truth at her mother's funeral.
Also known as: Heroin addiction
Addison's father is shown mixing prescription grief medication with alcohol, a dangerous combination. Pete intervenes, warning him about liver damage and advising him to stop the pills to properly process his grief.