Clark and Lana each try to kill Chloe for unknown reasons after they receive a mysterious e-mail from the Summerholt Institute. Clark must discover the source of these e-mails.
Clark learns that John Jones was shot while working as a police officer; Lana tells Tess that Lex isn't the man she thinks he is, forcing Tess to re-evaluate her position as head of Luthercorp.
Jennifer investigates a series of suspicious burglaries she suspects are linked to recent garage sales. Then one of the regulars on the garage-sale circuit disappears.
In Seattle, a man attacks his employer after a disturbing dream. Meanwhile, Broyles needs to meet with Nina Sharp.
Adam leads the team on a crusade to stop a mysterious new mutant who uses his powers to wreak havoc throughout the city.