Nikki wants Kat to come on tour with Mötley Crüe, but she's not sure it's a good idea and starts to question the future of their relationship. Meanwhile, the tension between Amy and Ruthless reaches a boiling point.
Kat persuades Michael to train for a marathon, but he ends up quitting; Paulie infuriates Craig when he refuses to take part in American Electric's 11th-anniversary celebration; Amy arrives at the party with an unwelcome guest.
Kat heads to New York for a meeting with Sephora to discuss her new perfume line. Then, she meets with her editor at HarperCollins Publishers and has to deliver some bad news about her second book. Meanwhile, back in L.A., Corey gives a revealing interview to a magazine writer.