Sixteen-year-old Rain strives to maintain a calm environment for her autistic twin brother Ethan, but her role as his reliable anchor faces uncertainty when Ethan seeks to become more independent and Rain ventures out of her comfort zone and starts dating her school crush, Liam.

Avoiding relationships to protect her sensitive heart, plus-sized Molly supports her once-cynical twin, Cassie, when the latter has her own bout of lovesickness, a situation that is complicated by sibling dynamics and an unexpected romantic triangle.

After thirteen-year-old Conner returns to the Land of Stories and reunites with his twin sister, Alex, who is training to become the next Fairy Godmother, war breaks out in the fairy-tale world.

As Hunter works to save her twin sister Mercy and demigod Khenti from the Ancient Egyptian Underworld, other evil threatens Goodeville, and the witch sisters must reunite and reconicle to stop Amphitrite and seal the gates to the underworld once and for all.

The Baxter sisters come from a long line of women with disastrous luck in love. But this summer, Sunshine and Margot will turn disasters into destiny... As an etiquette coach, Margot teaches her clients to fit in. But she's never faced a client like Bianca, an aging movie star who gained fame -- and notoriety -- through a campaign of shock and awe. Schooling Bianca on the fine art of behaving like a proper diplomat's wife requires intensive lessons,...

The magical world of Artime is gone and the Unwanteds are looking to Alex Stowe for answers, but while his twin brother Aaron continues to build his army in Quill, a very dangerous common enemy is revealed.

When they are separated for the first time since birth, Iris and Lark struggle with insecurities over their individual identities at the same time things begin to go missing around town.

A tragic kidnapping... the mystery of twin telepathy... a mother's search for a child, presumed dead. Hours after throwing a third birthday party for their twins Kathy and Kelly in their Connecticut home, Margaret and Steve Frawley return home from a dinner in New York to discover the police in the house, their daughters missing, and an eight million dollar ransom note. The Frawleys meet the kidnapper's demands, but the abandoned car they're led to...

"It was a story that couldn't possibly be true: identical twins, separated at birth. Anna Drury wouldn't have believed it, but the woman standing before her was physically alike her in every way, and held in her hands a keepsake baby bracelet, the same as Anna had. How could it be? Anna, with her tall, strong husband and two adorable children, grew up loved and secure, and she freely opens her heart to others, so she embraces the idea of her new-found...

In Brooklyn, New York, twelve-year-old dog-walker Maggie, aided by her twin brother Finn and best friend Lucy, investigates someone she believes is stealing pets.