Some of Sin City's most hard-boiled citizens cross paths with a few of its more reviled inhabitants.

An ex-tennis pro carries out a plot to have his wife murdered after discovering she is having an affair, and assumes she will soon leave him for the other man anyway. When things go wrong, he improvises a new plan—to frame her for murder instead.

Mort Rainey, a writer just emerging from a painful divorce with his ex-wife, is stalked at his remote lake house by a psychotic stranger and would-be scribe who claims Rainey swiped his best story idea. But as Rainey endeavors to prove his innocence, he begins to question his own sanity.

A psychiatrist becomes romantically involved with the sister of one of his patients, but the influence of her controlling gangster husband threatens to destroy them both.

Alex, Marty, and other zoo animals find a way to escape from Madagascar when the penguins reassemble a wrecked airplane. The precariously repaired craft stays airborne just long enough to make it to the African continent. There the New Yorkers encounter members of their own species for the first time. Africa proves to be a wild place, ...