lila ends up blowing sergeant doakes in the cabin, but not b4 he tells her that Dexter is the bay harbor butcher. doakes ends up being framed for the murders an his own suicide.
after dexter finds out that lila knows about him being the butcher he tells her that he wants to be with her an live out their lives as soul mates.(while actually planning to kill her.) dexter attempts to start his killing ritual on lila but is interrupted by Deb. lila escapes her fate for now and kidnaps Ritas kids. Dexter ventures to lilas house to save the kids, lila is fucking nuts by this point an lights her apartment on fire an traps dexter and the kids. they escape their fate in the fire an seems all is well. in the end scence you see lila boarding a plane to paris, then walking the streets haveina good old time. when she retires to her house for the night, shes reading threw her mail an finds a post card from miami with doakes picture on it, shortly after that she is stuck with a needle in the spine by our favorite killer dexter. he ends up killing her for blowing up doakes , a innocent man.