Nobody could be complete without a mother. Margo, Edith and Agnes own little knowledge about their past life. Of course, having a father reflects holding the entire world in their hands. Yet what about a mother? Lucy Wilde's parents were ripped from her heart too soon. Ever since, she struggled imaging what it'd be like to have her own family. Until she meets Gru, and his adorable daughters. A spark connects the all the girls; a familiar firework. For once, Lucy feels a sense of belonging in a warm and loving family.