90210 - Season 5, Episode 18: Soundtracks

Liam is upset with Annie for writing about him in her book. Patrick is back. End of the episode

The book launch party starts; Naomi tells Annie her plan for finding Author X.

Annie runs into Liam at the book launch; Liam runs into Sydney & her husband.

After opening credits

Liam meets up with Navid to explain how to catch the Cronus members cheating during a retake.

Mark tells Silver she have to move on. Naomi tells Jordan the reason she was acting like this is because she likes him

Liam makes plans with his Cronus brothers for an after hours poker game at the club as Navid calls him.

Campbell tells Liam that his ECON class has to retake their final exam.

Naomi tells Elizabeth she knows why she's at the party.

Naomi tells Mark his food's amazing; Jordan compliments Naomi on the party then introduces her to Elizabeth; Silver apologizes to Naomi for being late.

Mark advises Dixon to stop acting like he's in high school, then asks for Adrianna's phone number; Liam fills Navid in on how to expose the Cronus guys' cheating.

Naomi asks Jordan about his company; Jordan assures Mark he wants him to cater his next event.