When Dee Dee befriends Spencer, Mona becomes concerned that her sister is stealing her best friend. Meanwhile, Mona leads Dee Dee and Spencer into believing she is still dating Brian the exterminator even though he hasn't call her after their very hot date.

Mona's music-video shoot for a rapper may end in disaster when he refuses to leave the dressing roomâ€"until he meets Dee Dee. While Mona is pleased with the rapper's newfound enthusiasm for the shoot, she soon begins to worry that he's using Dee Dee.