Ep 15. Prodigal

In Smallville season 2 episode 15, titled "Prodigal," Clark Kent's estranged best friend, Lex Luthor, returns to Smallville after his father cuts him off financially. Clark is hesitant to trust Lex again, as he believes Lex is hiding something and has ulterior motives for returning to town.

Meanwhile, a group of thieves break into the Luthor mansion and steal a valuable object, which sets off a chain of events that puts Lex in danger. Clark, still struggling with trusting Lex, grapples with whether or not he should help him.

As tensions rise between Clark and Lex, Lana Lang finds herself caught in the middle when she learns that the object stolen from the Luthor mansion belonged to her family and has sentimental value. She teams up with Clark and Chloe Sullivan to try and retrieve the object and save Lex from danger.

The episode also delves into the complicated relationship between Lex and his father, Lionel Luthor, and the power struggles between the two. As Clark and his friends race against time to save Lex and retrieve the stolen object, they uncover shocking secrets about the Luthor family and their involvement in illicit activities.

In the end, Clark must decide whether or not to forgive Lex and trust him again, as his actions could have serious consequences for everyone involved. "Prodigal" is a thrilling and suspenseful episode that explores loyalty, trust, and family secrets in the world of Smallville.