Kyle becomes frustrated when he experiences his first brief flashes of memory, and he ultimately finds comfort from Amanda. It's the day of Lori's birthday, but she's not excited about it while Kyle on the other hand, wishes he even knew the date of his birthday.

Kyle links his memory to a missing professor, but finds a welcome distraction when he joins the basketball team. Meanwhile, Nicole gains a better understanding of Kyle's unique situation.

After an unusual hypnosis session, Kyle is determined to unlock his memory, so he accompanies Lori and Declan to the University of Washington to search for clues about the missing Professor Kern and how his relationship ties in with Kyle.

The Petersons, Kyle's real parents, arrive to take him home, but Kyle is skeptical about his biological ties, so he turns to Tom Foss for answers. Meanwhile, Steven has trouble accepting that Kyle may be leaving.

Lori, Kyle, Jessi, Declan and Amanda stumble upon the ruins of Zzyzx while on a camping trip in the woods. Andy shares a life-changing secret with Josh.