Isabel Elena

After a stranger contacts her on her laptop, Emma Becker is amazed to discover that she has an identical twin, Sutton Mercer, and they were separated at birth.

The mood at the charity gala turns sombre; Dan's ultimatum to Ethan has heartbreaking results; Emma confronts Rebecca about her lost childhood; Ted tries to reveal another secret from his past to Kristin.

Emma assumes Sutton's identity in order to trap Rebecca in a lie; Kristen and Alec get closer to relighting their fire, as do Ted and Rebecca, who share a dance.

While impersonating Sutton, some of Emma's personality emerges to the delight of Sutton's family. Emma takes dance lessons in order to please the father she never had.

While Sutton meets the woman who signed the twins' birth certificate, Ethan accepts an invitation to dinner.

Ethan's confession threatens his relationship with Dan; Sutton gets a mysterious phone call; Emma's feelings for Thayer are put to the test.