After breaking in the LuthorCorp lab Chloe accidentally gets exposed to an experimental Kryptonite gas that allows her to get the truth from people she talks to, even coming close to finding out Clark's secret. Unbeknownst to Chloe, the exposure has deadly side effects, so Clark tries to find a cure. We also find out Lana has special hidden talents (no she doesn't) because she applied to an art school in Paris.
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