Makee is traumatized by witnessing the death of her childhood friend. Spoilers: Se relives her trauma after being arrested in a similar fashion to the incident where her friend was killed.
A prisoner cannot consent to sex with an authority figure. But the show seems to think it's perfectly fine, so be warned that both the act and how the show depicts it are very upsetting.
Hands down the most violent piece of Halo Media. Elites slaughter an entire village, alien weaponry rips people's heads and limbs off. Master chief brutally beats an Elite senseless before curb-stomping its head. Several people get stabbed in the eye. Aliens lose heads, and limbs during battle.