After the SRU discovers a high school's dark history, a student threatens to jump off the school's roof while another takes a hostage.
Nikita is strapped down, drugged and subjected to Amanda's mental conditioning process; Alex tries to save everyone as violence escalates; Owen's memories drive him to disturbing actions.
The Hawthornes turn on each other after they're publicly implicated in the SBK case and forced to stay at the house to avoid the media; Garrett takes Christina on a camping trip that takes a dangerous turn.