Darcy Callahan is Tegan Callahan's daughter. Darcy believes her father is Darryl Braxton and she loves spending time with him. However, Tegan later reveals her real father is Darryl's brother, Heath. After Tegan dies in car crash during the storm Tegan's mother Connie Callahan gets custody of Darcy and allows Heath to have her over as Darcy needs a dad Darcy wants to live with her dad but Heath tells her she's all her nan has left of Tegan and needs to someone to love and care for and promises if anything bad happened to Connie he and his brothers will look after her. Darcy loved spending time with Bianca Scott, who was like a mother to her. When Heath and Bianca was getting married, Darcy was so excited to have Bianca as her stepmother, but was shocked and angry when Bianca punched Heath