Lost

A medic who's used to treating bullet wounds discovers an undercover agent, or two, who want to heal her heart.

As a medic for a team of do-gooder assassins, Kennedy usually patches up her partners after they've taken out some of humanity's trash.

This assignment is totally different. She's required to risk both body and soul to seduce her ex, Knox, and convince him to double-cross the cartel he's worked for since he left her without a backward glance.

Marcus has been addicted to Kennedy since...