LEX DECIDES TO UNDERGO RADICAL TREATMENT TO REGAIN HIS MEMORY – Believing that key information about his father’s past was lost when his memory was erased, Lex decides to join an experimental program with Dr. Garner to regain the information so he can turn his father over to the FBI. Knowing that Lex will discover his secret if he regains his memory, Clark tries to stop him but is caught by Lionel and the doctor and exposed to the same radical treatment so that Lionel can solve the mystery of Clark’s past.
CLARK DISCOVERS THAT JOR-EL WAS ON EARTH FORTY YEARS AGO – Lana’s great uncle, who was convicted of murdering his wife forty years ago, shows her a picture of the man he believes really killed her aunt, and she is shocked to discover the drifter looks just like Clark. Sure that the man is Jor-El, Clark’s investigation leads him to a kryptonian medallion that allows him to see bits of the past – and the life that Jor-El started for him long before he arrived on Earth.
An old Kent family friend, who suffers from uncontrollably violent convulsions after working for Luthor Corp., shows up on the farm after accidentally killing a man in Metropolis. Meanwhile, when Clark’s parents head to the city for a romantic getaway, the teen decides to host a party that soon gets out of hand.