Superman and Lois' return to idyllic Smallville is set to be upended by mysterious strangers.

When adjusting to their new lives in Smallville, Lois and Clark make an important decision concerning one of their sons; tensions begin to rise between Lois and Morgan Edge; Lana Lang Cushing invites the Kent family over for a barbecue.

Clark shares some of his Kryptonian history with Jordan and Jonathan during a family breakfast. Meanwhile, Lois and Chrissy dig deeper to uncover the truth about Morgan Edge.

Lois keeps probing into Morgan's involvement with Smallville. Meanwhile, Sam tells Clark to choose between being a superhero and a father.

As HarvestFest in Smallville arrives, Luthor approaches Lois while the missing Derek reappears with more than he left with.

Clark reconsiders his decision to let Jordan play football; Lois' continued investigation of Morgan Edge requires her to trust an unexpected ally.

Clark encourages Lois to reach out for help after noticing her reaching a breaking point. Meanwhile, Jonathan finds himself in a dangerous situation. Lastly, Kyle encourages Sarah to audition for the musical revue at school.

Lois, Chrissy and Clark team up to piece together the significance of Smallville to Morgan Edge.

Lana reaches out to Lois and Clark when Kyle starts behaving strangely; Jonathan opens up to Jordan; Sarah storms out after accusing her mom of always covering for her dad.

Clark makes a startling discovery about Morgan Edge.

Lois and John Henry can't seem to agree on the best way to stop Morgan Edge; Jonathan encourages Jordan to focus on strengthening his powers to help locate their dad; an old friend is brought in to help with the search.

Superman pays a visit to Morgan Edge; Lois and Chrissy work together on a story; Jonathan finds a welcome distraction during a stressful school day.

Lois is worried about Jordan as he and Sarah continue to grow closer; Clark pays Lana a visit; Jonathan has been spending more and more time with John Henry.

Superman's worst nightmare comes to life, and Lois confronts Leslie Larr; Lana, Kyle and Sarah agree to stay to help General Lane.