Her Don (Their Cartel Princess #2)
Logan Fox

Finn's beast is becoming more impatient, and he knows of only one thing that soothes it: Cora. When he becomes obsessed with Cora's safety and refuses to leave her side, Lars begins to question his friend's loyalties.
When Finn and Lars finally leave Cora behind at her uncle's villa, a messenger carrying a ransom note is waiting for them
Now there is an impossible choice to make: the life of Cora's father, or her freedom.