Stardate: 45733.63 - Deanna's mother pays a surprise visit to the Enterprise with even more surprising news: she plans to marry a man she has never met. After destroying an asteroid, the ship becomes infected with parasites that eat away at the ship's hull.

Debbie Kent, Shauni's swim partner, has a very demanding father. She has excellent times but according to her father, they aren't good enough. Therefore he grounds her and forbids her to see her boyfriend Zach. Without her father knowing it, she and Zach have a beach party at the beach. When they decide to go for a swim, a shark attacks Debbie and she disappears.