Brandon and Emily take her two young cousins trick-or-treaing but lose them along the way. David and Scott decide to take part in an annual egg fight, a Halloween tradition for the former best friends. Meanwhile, Kelly is sexually assaulted at a party.

The gang heads out to a 'not-so-legal' underground club, and Emily introduces Brandon to the world of drugs. Brandon's car goes through another stage in its life cycle. Meanwhile, Steve and Andrea have an adventurous night together.