Shawn worries he may be losing his meal ticket when Lassiter goes on a winning streak, solving nine cases in a row, so he horns in on the current case...jeopardizing his and Gus' credibility when he claims a T-Rex killed the victim.
Jockey Jimmy Nickels, a bully who went to school with Shawn and Gus, hires them to find out why his horses keep losing. Things become complicated when another jockey dies in the midst of a race.
Shawn and Gus investigate who poisoned a food critic. Gus's uncle Burton comes to town and tags along on the investigation, so Gus pretends to be psychic.
Two students claim that one of their teachers is a murderer after hearing a phone call. It is Juliet and Lassiter's one year anniversary as partners and Juliet takes her first lead detective job.
Juliet asks Shawn and Gus for help in capturing an accused murderer who escaped from her. They track the man down, but soon discover he is innocent and they try to find the real killer--but things are complicated by a bounty hunter.
Shawn finds out a secret of Gus's involving a woman he can't say no to. Lassiter learns that Juliet received a higher score on the detectives' exam than he did, prompting a heated competition between them to see who is truly the better detective.
When a 3000-year-old mummy disappears from a museum, Shawn comes to the unlikely conclusion that the artifact walked out on its own. Meanwhile, Henry is acting strangely after receiving a mysterious phone call.
