On the latest 'Law & Order: SVU' (Wed., 9PM ET on NBC), a series of grizzly crimes take place. Detectives Benson and Stabler must solve the puzzle and stop the attacks. But it turns out that big mysteries can come in unexpected packages.

[Warning: Spoiler alert.]

Seemingly innocent men are being mutilated with the use of a coat hanger. Horrifically, words are scratched into the men's chests. The first word is "RUINER." The second word is "TRAITOR." What is going on? Soon, the two detectives (played by Mariska Hargitay and Christopher Meloni) discover that a third man is targeted. They rush to the aid of the "innocent" man, but will they make it in time?

To stop the crime, Benson and Stabler must figure out how the attacker is getting into the men's homes. They discover that the previous men had suspiciously large packages delivered right before they were slashed on the chest. The cops stake out the third victim's house; as they watch in horror, the serial criminal cuts his way out of another delivery box and rushes inside. Stabler grabs the "bad guy" and unmasks "him" -- but it turns out that the bad guy ... is actually a girl.

And that's just the beginning of the surprises. In this case, nothing it what it seems.