Kate warns Mimi that she had better not interfere in Philip and Belle's marriage, but Mimi is firmed that, married or not, Belle belongs with Shawn, not Philip. After Shawn and Philip get into it, Lucas and Rex pull Shawn back and Philip breaks the news to Belle that Shawn was both drunk and stoned. Sami eavesdrops and overhears Lexie ask John to look into the drug thefts. Bart asks around about an escaped Jack.