Charlie's wealthy new boyfriend wants their families to meet, so she invites Trish along as a stand-in for her parolee mom--without telling Trish that she is a mom stand-in.
Martha gets chosen for a job over jealous Caroline, but when the agent comes to get Martha, Caroline shows off what she can do and steals the job away from Martha.
Emily is upset about getting a C on her school report. The house decides to invite the professor to dinner and show him that models also have brains and can hold an intelligent conversation.