Kelly agrees to Jeff's Valentine's Day plans for a romantic dinner and night together. Steve badgers Brandon into going on another blind double date, but Brandon is tied up leaving messages on Kelly's answering machine, while Steve is stuck trying to entertain his and Brandon's dates at the Peach Pit, as well as a third girl. The arrival of Noah's snobbish, older half-brother, Josh, brings big trouble between both of them over their differring views. Things take an unexpected turn when Josh spikes Valerie's drink with a date rape drug so he can seduce her. But it goes wrong for Josh when Noah inadvertently takes advantage of Valerie, who wakes up the next morning thinking Noah slipped her the roofie. Also, David and Donna feel guilty about spending innocent time together to celebrate his record deal, which takes a turn when they get into a minor car accident and Donna slightly injures her back.