Walden parties with Jenny and her attractive friends; Alan's illicit affair with Lyndsey is jeopardized.
McGarrett thinks a smart, seductive therapist (Vanessa Marcil) murdered one of her patients; one of Doris' former targets seeks revenge.
Axl is heartbroken when his girlfriend (Alexa Vega) breaks up with him; Sue and Brick watch a scary movie.
Charlie's life is taken hostage by a controlling techy girl; Lacey launches a plan with Patrick to trick her rival into having sex with Ed.
A judge orders Sean to Charlie's therapy group after he gets in trouble with the law, and Ed convinces Patrick to buy a television.