Lexi and her husband Sam have put their heart and soul into renovating No. 3 Cashel Square. Lexi's mother thinks it's high time they had a baby, but Lexi's art gallery is thriving and her headstrong niece Amelie has practically moved in. Then a mysterious stranger knocks on the door. Kathleen Williams has come from America, longing to see the house where she was born over 60 years ago. Kathleen's visit is tinged with sadness but she finds comfort and laughter with Lexie and Amelie. Soon the three women are sharing their hearts, tears and secrets ...