Episode 15, Prodigal

Lex discovers that his half-brother, Lucas, is still alive. Lionel has been looking after Lucas, and he uses him to steal Lex's inheritance, so he cannot buy-out LuthorCorp. Penniless, Lex moves in with the Kents. Lucas, dissatisfied with Lionel's plans for him, discovers that Lionel has been faking blindness for a while. An elaborate scheme with Lex reveals Lionel's lie, and Lex secures his inheritance. 

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