The Lost Daughter

"Don't make me ask twice."
After coming to terms with her husband's death, Special FBI agent Emily Slate thought she'd finally be able to move on with her life. But when the assassin who has been hunting her shows up on her front door with a gun in her hand, Emily knows it's far from over.
It seems the assassin has been betrayed by the same Organization who hired her, and must now rely on Emily to help her enact her revenge. But when Emily refuses, the assassin raises the stakes, putting Emily's personal life in danger and giving her no choice but to comply.
In order to take down the Organization that's been plaguing her the last eight months, Emily will need to track down the whereabouts of a US Representative's missing daughter. If Emily can find her, then her captors will lead them back to the Organization and Emily will be done with this once and for all.
But Emily knows she can't trust the woman who murdered her husband. And as the consequences of her actions begin to unfold, Emily will discover the Organization is a lot closer than she suspects.
And if she manages to catch up to them, she'll be faced with an impossible choice.
Better hurry, Emily, before it's too late.
For everyone.