Emma, a compassionate foster child who seems to have endless misfortune, discovers she has a look-alike twin sister named Sutton. Unlike Emma, Sutton was adopted by affluent parents and appears to be living a perfect life. After they meet for the first time, Sutton persuades Emma to temporarily take her place while she follows a lead about their biological mother. Initially eager to help her sister, Emma soon realizes that Sutton has vanished and might be in danger. Emma is then faced with the dilemma of whether to reveal the truth to Sutton’s family, risking her own safety, in order to find out where her twin sister is and uncover the reasons behind their separation.