Henry gives young Shawn a lecture on cheating after a game of battleship and in the present Shawn shows up to ask his father about the case and finds him having lunch with Lassiter.
Shawn calls Gus at the company retreat where he is spending the weekend to schmooze his supervisor.
Shawn and Gus talk to Lassiter about the case as he is getting coffee and then Henry comes up with a truckfull of Shawn's things to donate to Goodwill.
Source: Psych Adventure
Gus and Shawn head to the tennis club to question Deanna's practice partner about her disappearance.
Shawn and Gus head to the address found at the salon and find Deanna being wheeled out on a stretcher.
Juliet discreatly passes information on Felix Alvarez to Shawn.