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.etween his love for her and his love for the "green fire" of emeralds.