LOGLINE:
When a drunken and depressed Lassiter confesses to Shawn that he has doubts not only about the death of an astronomer, officially listed as being of natural causes, but also doubts about his ability to ever solve a case again, Shawn sets out to secretly prove the detective right in order to boost his morale.

SYNOPSIS: Shawn's powers of observation work against him when he cannot help but reconcile his gorgeous Friday night date with her ex-boyfriend after solving the mystery of his series of white lies. Now alone in a bar, he spots Lassiter at a table, drinking heavily, marking a sad anniversary. Lassiter invites Shawn over and proceeds to pour his heart out, confessing that Shawn's skills astound him. While he doesn't believe he's psychic, Shawn somehow guarantees an arrest, whereas Lassiter, who used to be a great cop, now can't even solve the murder of a local astronomer. Everyone thinks Bryant Vallery died of natural causes, but the guy was relatively young and lived a healthy lifestyle. Lassiter tells Shawn that he knows there's more to it but can't prove it - then proceeds to pass out.

The next day, Lassiter can't remember any of the previous night's confessions, so Shawn decides, to boost his confidence, he'll secretly solve the Vallery case, feeding Lassiter information and giving him all the credit. He talks to the widow who tells him that Bryant and his partner Hugo, finally got the time they wanted on a large telescope. He started spending long nights at the observatory, soon after which he started feeling "off, " which was about six months ago. She also suspected that he was having an affair.

Shawn recruits Juliet into his plan, who will be covertly feeding Lassiter information. Back at the Psych office, Shawn tells Gus that their new case involves a dead astronomer at the observatory, which should make Gus happy, since Shawn knows that Gus goes to the Space Center every Thursday afternoon. Gus denies it, until he shows up at the Space Center to find Shawn now working undercover there as a full time employee.

It turns out, Gus hasn't been going to the Space Center for pure love of astronomy. He's interested in Jessica, a PHD candidate, who has been working at the space center to help pay for school. Gus tells Shawn he's been working a slow plan to ask her out, since she just broke up with a boyfriend. Shawn decides to speed things up, so he takes over the planetarium show so Gus can spend quality time with Jessica.

Shawn starts the show, then leaves to snoop around the observatory. He finds Hugo, and notices a page missing from the astronomer's logbook. Hugo tells Shawn that he's continuing their work alone for Bryant's sake. They spent 5 years just petitioning to use the scope, of which they only got 8 months of time on, which isn't a lot since it takes months to chart a finding in order to prove it's a discovery.

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