Pete Riley answers the door one morning and lets in a parent's worst nightmare. On his doorstep is Miles Lambert, a stranger who breaks the devastating news that Pete's son, Theo, isn't actually his son - he is the Lamberts', switched at birth by an understaffed hospital while their real son was sent home with Miles and his wife, Lucy. For Pete, his partner Maddie, and the little boy they've been raising for the past two years, life will never be the same again.

Abbie awakens in a daze with no memory of who she is or how she landed in this unsettling condition. The man by her side claims to be her husband. He’s a titan of the tech world, the founder of one of Silicon Valley’s most innovative start-ups. He tells Abbie that she is the perfect wife. He says she had a terrible accident five years ago and that, through a huge technological breakthrough, she has been brought back from the abyss. But as Abbie pieces together memories of her marriage, she begins to question her husband’s motives - and his version of events.

At the age of 13, Charlie Quinn's childhood came to an abrupt and devastating end. Two men, with a grudge against her lawyer father, broke into Charlie's home - and after that shocking night, her world was never the same. Now a lawyer herself, Charlie has made it her mission to defend those with no one else to turn to.

Victoria Barnett has it all: a great career as a nurse practitioner, a handsome and loving husband, a beautiful home in the suburbs, and a plan to fill it with children. Life is perfect—or so it seems. Then she’s in a terrible accident...and everything falls apart. Now Victoria is unable to walk. She can’t feed or dress herself. She can’t even speak. She is confined to the top floor of her house with 24-hour care.

Olivia Bender designs exquisite home interiors that satisfy the most demanding clients. But her own deepest desire can’t be fulfilled by marble counters or the perfect rug. She desperately wants to be a mother. Fertility treatments and IVF keep failing. And just when she feels she’s at her lowest point, the police deliver shocking news to Olivia and her husband, Park. DNA results show that the prime suspect in a murder investigation is Park’s son. Olivia is relieved, knowing this is a mistake. Despite their desire, the Benders don’t have any children. Then comes the confession.