Dream Oracle Series: The Scorpion - From the Shark to Heralds of Annihilation, #2

Jacqueline and Charles' love is threatened by powerful men who want them dead. They call upon their special friend Tina to help them. She convinces mercenaries Sapphire and Kyle to help Jacqueline and Charles. Both mercenaries were former captains of Special Forces Marine Security Operations. Kyle and Sapphire figure out these powerful men are Jacqueline's step uncles who are also set on world domination.
The Dream Oracle reveals to Kyle that his nightmares of a scorpion make him a danger to all. His nightmares of the scorpion reveal dangerous drug use and PTS survival guilt that makes him homicidal. Sapphire is torn between needing Kyle's help to save Jacqueline, Charles, and the world or put a bullet through his head if he becomes too dangerous. Kyle hopes Sapphire is the woman who can tame his inner demons.