Angel, born Olivia, was abandoned as a baby and adopted by the loving Rose and Billy. As a district nurse, she befriends an elderly couple, Jenny and Brod, who tragically take their own lives. In the aftermath, Angel uncovers a letter from Jenny hinting at her birth mother's identity. With the help of her adoptive parents and her biological father, Frank, Angel delves into her past, learning about her mother Moira's struggles with depression and the...