Miley Stewart leads a completely normal life, except for one factor. She's teen pop sensation Hannah Montana. She lives with her dad Robbie Ray and brother Jackson. She has fun with her two best friends Lilly Truscott and Oliver Oken. She goes through average teen problems and lands in the spotlight again and again. But through it all, she learns that what's most important is to be yourself.

Lin lives in a world of quiet hardship in China, longing to live without fear or shame. Katie lives in a world of pampered ease in Malibu and wants something new and challenging in her life. When these two come together, their lives are forever changed.

Another year of bachelorhood brought many new adventures for roommates Walden Schmidt and Alan Harper, living in the Malibu beach house now owned by Walden, an Internet billionaire. After his girlfriend turned down his marriage proposal, Walden was thrown back into the dating world in a serious way. He even got invited to a threesome with Alan and his girlfriend, Lindsey, and created a false identity to find a girl who wasn't after his money.