Naomi (AnnaLynne McCord) is asked by her new party planner boss Rachel (guest star Michelle Hurd) to oversee her archenemy Holly's (guest star Megalyn Echikunwoke) birthday party.
Annie (Shenae Grimes) breaks into Jeremy's (guest star Matt Cohen) apartment in a desperate attempt to get the proof she needs to keep her inheritance.
Navid (Michael Steger) finds trouble after going with his Uncle Amal (guest star Anthony Azizi) to make a deal with a potential buyer, and Liam (Matt Lanter) discovers shocking news about Annie. Jessica Lowndes, Tristan Wilds, Gillian Zinser, and Jessica Stroup also star.
90210 airs every Tuesday at 10 p.m. on Star World.