A deathbed confession reveals that a character has a half-sibling, or that they were adopted, or that the "father" is not the biological father. This storyline questions the very definition of family: Is blood thicker than water, or is love a choice?
What Makes Family Drama So Addictive in Stories. - Vered Neta
“To Jamie, I leave the sum of one hundred thousand dollars, provided he completes a six-month inpatient rehabilitation program and maintains sobriety for one year following my death. If he fails, the sum goes to a charity for addiction research.”