Smallville Season 10 Episode 13
Episode Title : "Beacon"
Summary : Martha Kent holds an anti-VRA rally that effects in her being shot by a spectator. Lionel finds the Lex clone in an abandoned building and realizes that he is the one she shot Martha, though his real Purpose was to kill Clark with kryptonite bullets. Later, Martha provokes Lionel and Lex at the Luthor mansion, but Lex subdues the others and sets fire to the mansion.
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