Who Kill Marcus Brooks? takes place after the events of Mrs Lever is Here. Hayley, Cami, Jessica, Ethan, Brianna, Casey, Missy, Hayley Mitchell and Hayley's cousin, Danielle went to New York for to forget about Lauren. In night sky, Hayley Mitchell found Leon's brother, Marcus Brooks, stab in back and stab in stomach 4 time, fall when somebody push him in root from his house, break his head with lots of blood come out from his head and she find Hayley's wallet in Marcus's coat pocket. Leon and the detective go to find Marcus's killer but somebody kill other people. Hayley think Lauren Malloy is alive but everybody think Lauren is dead, Hayley think Lauren kill Marcus, Will Hayley be right?