13 Darkest Star Trek: The Original Series Moments
8. Odona's Illness In The Mark of Gideon
The planet Gideon suffers from severe overpopulation, and Ambassador Hodin comes up with the plan to introduce death and disease into the population. His daughter Odona volunteers to be the first infected patient. She understands that she could die as a result of this plan, but she is willing to accept the risks if it means a better life for her people.
Somehow the ambassador is perfectly okay with sending his own daughter to her possible death. The fact that a high-ranking official was willing to try such a drastic plan and risk his own child shows how desperate Gideon's situation had become.