Kevin Grady commits thefts and uses his superpower to delete the incident from witnesses' minds. When he does so with Clark who stopped him after robbing The Talon, much more memory gets wiped, so Chloe must take super-boy home to the Kent farm and help him remember who he is, including discovering together the amazing extent of his superpowers and his feelings for Lana Lang. Meanwhile Lana tells Jason she's neither sure she still wants to go to college nor to stay his girlfriend, claiming it's not Clark but their complicated past, he walks off angry, warning she doesn't realize how much he has been protecting her. Clark and Chloe trace a motor-park pass Kevin dropped to his home, or rather to his father Lawrence Grady, and gradually discover Kevin is in memory manipulation therapy with him in Summerholt neurological institute, where Lex once was a patient, for a hunting accident killing his brother Dillon but escaped. Clark helps Kevin...

A serial killer is on the loose in Metropolis, and Clark always seems to be one step behind him, while Chloe's paramedic friend seems to think he blacks out and performs the dirty deeds, himself.