Sixteen years after being given up for adoption, Sutton Mercer goes in search of her biological birth mother. Sutton's twin, Emma takes her place in which she has to pretend to be Sutton.

Emma (posing as Sutton) is worried about a father/daughter dance, since she has no idea how to dance.

Sutton's sister, Laurel, is interested in the new guy at school, but Char has called dibs on him. In LA, Sutton tracks down the family that originally adopted Emma. Mr. Mercer isn't too keen about Ethan as Sutton's boyfriend.

Emma has a nightmare that just may be the clue Sutton needs to find their birth mother.

In a very un-Sutton-like move, Emma (still posing as Sutton) drops out of the Homecoming Queen race, but Char and Mads just won't let her quit. Sutton begins to get jealous of Emma living her life.

The Mercer family become suspious of Laurels new boyfriend, Justin. Ethan dumps Sutton to be with Emma.

Sutton is close to getting the information her and Emma have been looking for. Alec pays a visit to Mads ballet teacher, Eduardo.

Emma is worried when her foster brother, Travis, shows up from Las Vegas. Travis decides to use his knowledge of Emma's situation to bribe her. Sutton is forced to go to Las Vegas when she is mistaken for Emma.

Sutton gets to feel what it is like to be Emma Becker. Emma tries to discover what Kristin knows about some things.

With the Mercers throwing Emma a birthday party and Sutton might coming home, Emma struggles with telling the truth about the switch. Meanwhile Sutton is heading back to phoenix, where she tricks Ethan to meet up when she poses as Emma.

It's been a tough night for Emma and Ethan, and things are about to get tougher when they find Sutton has disappeared after their argument and the Mercer family car is missing from the garage. When the police find the car at the bottom of the lake, Emma and Ethan look to each other for support, but Thayer threatens to tear them apart with his accusations against Ethan. Meanwhile, Char's aunt, Rebecca, has returned to town and Char is the only one happy about it. Written by ABC Family Publicity

Ethan and Thayer suspect Sutton of sending Emma the mysterious package and believe that she is playing another one of her lying games to spite Emma. Derek is back at school. While practicing tennis, she meets the tennis scout of Ted's alma mater and they see this as a way of getting Sutton to come forward when she hears that Emma is using her name for personal gain. Justin and Ted continue to be suspicious of one another. Rebecca tries to get custody of Char. Now living in fear of Sutton, Emma almost confesses her identity to Dan, but when Ethan and Emma pull up to his trailer and see his brother in a heated argument with Alec, she backs out. Later, Ethan asks Dan about the encounter and he tells Ethan about how Alec bailed him out of a tough situation a long time ago. Meanwhile, Emma is off on the college visit with Ted and seems serious about the idea of going to college and playing tennis, something that seemed a bit out of Sutton's character. Justin breaks up with Laurel, ... Written by Nia Allen-Cooper

Ethan and sutton they are runaway together because Ethan is wanted for killing Derek they go to Ethan's father house when Emma and Madz fight together because of her boyfriend Emma wasn't able to keep its self more she told Madz her secret.

Ethan is still a wanted man in hiding with Sutton, leaving Emma to worry if justice - and love - will prevail. Discouraged by Dan's inability to crack the case, Emma takes it upon herself to find a way to vindicate Ethan. With the help of Mads and Thayer, they search for any lead that may help prove Ethan's innocence. Meanwhile, Ethan and Sutton's time alone in hiding together has lowered Ethan's guard. Sutton uses the opportunity to encourage Ethan to bond with his estranged father, looking to heal her relationship with him at the same time. And Alec questions Rebecca's motives after she agitates Ted and Kristin by offering Laurel the opportunity to produce a music demo. Written by ABC Family

As Emma continues to search for evidence that can help Ethan's case, she clashes with Ted and Kristin over her unwavering support of a murder suspect. Alec's relationship with the victim prevents him from taking the case himself so he assigns a star prosecutor from his firm, prompting Dan to reach out to an ex-girlfriend who is now a successful defense attorney. Meanwhile, encouraged by their time together in hiding, Sutton has her own plans for Ethan. Written by ABC Family Publicity

Emma wants to find out what really happened on the reservation but Ethan is avoiding her and Sutton is looking to send her packing for good. Curious about his father's possible link to Derek's murder, Thayer starts to doubt Alec's alibi and begins investigating Rebecca's past. And, Kristin grows increasingly suspicious that Ted is not telling her the entire story when it comes to Justin's mom. Written by ABC Family Publicity

An unexpected engagement leads to a quickly-planned wedding, causing suspicions that something is awry. Sutton encourages Emma to show Kristin what they found in Rebecca's house. And Ethan makes a discovery that changes the game. Meanwhile, a shocking revelation leads to major repercussions in the Mercer household. Written by ABC Family Publicity