- Episode 401 : Sidney Chambers attends a talk by the Reverend Nathaniel Todd, a key part of the Civil Rights movement in America. During the event, protestors disrupt Todd's speech and release fireworks, causing the audience to panic and leading to a crush as dozens of people try to escape through a locked door. In the chaos, a man is stabbed and killed by an unseen assailant. T...
- Rian Mitchell discovers an emerald deposit in South America, but gets chased away before he can start to mine. He tricks his partner, Vic, into returning to the site. While there, he meets Catherine and Donald Knowland, siblings who run a coffee plantation. Rian falls for Catherine and is torn between his love for her and his love for the "green fire" of emeralds.