Clark (Tom Welling) and Martha (Annette O'Toole) take in a little girl, Maddie (guest star Emily Herst), after her foster mother is brutally stabbed to death. However, after it is discovered that Maddie has the power to shatter glass, she becomes the prime suspect. Meanwhile, Chloe (Allison Mack) walks in on Lex (Michael Rosenbaum) and Lana (Kristin Kreuk) during an intimate moment.