Three couples find their destinies irrevocably intertwined in a fusion of obsession and fragile love when a six-year-old girl finds a junkie's discarded needle while playing in her backyard.

Kate Powell was a happy housewife with her husband Tim and accepted working with small children in hospital who lack motherly love. When her best friend Ann Harding gets murdered at Halloween, she becomes her little kids Logan and Ellie's surrogate mother, while widower Mike Harding, who wasn't home again, blames himself for having put his business before his marriage, and gets rid of some of his materialistic show pieces. Then the theory rises that Kate may have wanted kids too much...

Tom hasn't been what you'd call the most faithful husband, and now he's gotten himself mixed up with a bad girl named Lisa. After their scandalous affair, Tom kicks Lisa to the curb and she vows to get revenge.

Harold is a seemingly peaceful neighbor in a quiet mid-western neighborhood, but underneath, he's a murderous psychopath who sets his eyes on a couple that have moved in across the street.

In a gritty and alternate 1985, the glory days of costumed vigilantes have been brought to a close by a government crackdown. But after one of the masked veterans is brutally murdered, an investigation into the killer is initiated. The reunited heroes set out to prevent their own destruction, but in doing so they uncover a sinister plot that puts all of humanity in grave danger.