Sage makes Megan sweat when she spitefully invites her new tutor's estranged and difficult sister Lily to a family party
Megan is thrilled when Laurel invites her to a glamorous Palm Beach social event and introduces her to influential people.
Megan is left pleasantly flustered when she requests a meeting with Rose's head teacher, who surprises her by being gorgeous.
Rose shocks Megan when she admits that she's sexually experienced. Later, Megan feels insecure on a date with Jacob.
Megan is forced to cancel her romantic plans and supervise a pool party Rose and Sage are throwing which is gatecrashed by Lauren Conrad.
Megan despairs when she discovers that Jacob still has feelings for his ex and Charlie puts the brakes on their friendship
Megan invites her dad over for dinner, Charlie and Megan fall out, and Sage catches Lily in a compromising position
Megan learns some secrets about Laurel's past. Meanwhile, Sage hires a publicist but she is only interested in Rose.
The twins bump into celebrity blogger Perez Hilton at a starry event. Megan feels jealous of her friend's new job.
Rose gets a bad result in an exam and decides to cheat on her next test. Megan ends her relationship with Will.
Megan punishes Rose for cheating in her exam, Laurel rekindles an old flame and Marco gets a new partner in the kitchen.
Megan's life is turned upside down when her long-lost mum, Shelby, returns. Even worse, Megan's sister marries a man Megan can't stand.
Megan confronts her mother, Rose and Sage host an elaborate charity dinner and Marco's boyfriend pressures him to quit his job
Megan wants Lily out of prison, but her father thinks she should be left there to learn a lesson. Shelby asks Will for the bail money.
Megan's mum lets her down again and Rose's boyfriend is fuming when he sees her in a photo with Pete Wentz from Fall Out Boy
Charlie and Will come to blows when Charlie kisses Megan and tells her he's moving to California. Sage opens up about her parents' deaths.
The twins confront Laurel, Rose tells Sage the truth about their grandfather, and Sage confesses a secret that shakes up her relationship with Rose
In the final episode of series one, Sage gets herself in a tizzy when Rose cancels their spring break plans