 Lex is trying to recover his missing memory by going to Summerholt, which results in him having flashbacks from his childhood. When Lana finds Lex out on a balcony screaming the name Julian,she tells Clark. Clark finds out Lex has been going to Summerholt and tries convince him to stop. He goes to Lionel out of concern for Lex. Lionel sets a trap for Clark when he goes to rescue Lex. Dr. Garner subjects Clark to his memory device, which requires the subject lying in a solution containing Kryptonite. Clark recalls his earliest memory, being put in the spaceship by his mother Lara and her concern as to whether he would be loved or not. Ultimately Clark s body reacts to the solution causing a massive explosion killing Garner and destroying the machine. Lex remembers the truth about Julian s death that has a shocking twist and explains Lionel s hatred of Lex. And Clark realizes his real mother loved him giving him a new perspective on his Kryptonian heritage.