Twisted

"Ex-FBI agent Sloane Burbank is worried that a childhood friend has been abducted along with several other women in New York City. But with a potential gang war brewing in Chinatown, her old flame Federal Agent Derek Parker doesn't have time for a missing persons case. Soon however it becomes clear that this investigation is not so simple."@en
"While in New York, former FBI agent Sloane Burbank learns that a friend from her youth has been reported missing. Vowing to look into it, she finds her old flame Derek Parker in charge of the case. Working together - reluctantly - they find that Sloane's friend isn't the only one who has disappeared, and a serial killer may be to blame."
"As women vanish, former FBI special agent Sloane Burbank vows to kick-start the investigation. But her involvement is unwanted, particularly by the agent in charge--her former lover Derek Parker. Unabridged."
"Warned to stop making trouble when she rallies for an investigation into the disappearances of her childhood friend and other women, former FBI agent Sloane Burbank clashes with her ex over how the case is being handled, leading to unsettling discoveries."@en