Ashley's ex-boyfriend is back in her life and he still has feelings for her. She doesn't know where to turn so asks a magazine Agony Aunt, only she doesn't know it's really Mary-Kate! When Ashley's former boyfriend, Aaron, reappears in her life, Ashley doesn't know what to do. Should she go out with him again or not? And if not, what's the best way to tell him without hurting his feelings? Ashley knows where she can turn for help, Girlz Magazine's brand new advice column. What Ashley doesn't know is the advice column is Mary-Kate's secret project! Soon one sister is giving advice to the other, but neither knows it. Will the results spell disaster, true love or, maybe, just a little bit of both?