During a rave party in the underground cave discovered by the Indian descendant Kyla Willowbrook, the student Travis has a reckless attitude climbing a lamp tower and dies. Soon after, Pete is pierced by a parasite hiding the cave wall, thus becoming reckless and bold. Meanwhile, Lex Luthor hires the linguistic specialist Dr. Fredrick Walden to decipher the meaning of the paintings in the cave. Clark invites Lana to date on the next evening. Later, Clark goes with Chloe Sullivan to the cave, and she is also pierced, changing immediately her behavior. When Pete puts a piece of red kryptonite in the pocket of Clark, he once against becomes 'Dark Clark' or 'Red Clark' in which the trio makes lots of trouble in Smallville and hurts the feelings of Lana.