Gru, Lucy and their three adorable daughters - Margo, Edith and Agnes, originally lived a daily life full of laughter and warmth.However, this calm was broken by an unexpected new member: Gru Jr., his younger brother, made a brilliant debut. He seemed to regard "torturing his brother" as his life mission and challenged Gru's patience in various mischievous ways. At the same time, Gru's past also came to him quietly.The son of his former rival, the charming but scheming Maxim Lemar, comes with his mysterious, cold and charming girlfriend Valentina.Faced with this sudden crisis, the Gru family had to embark on the road of escape, relying closely on chaos and adventure, and facing an unknown fate together. This is not only a pursuit battle against the villains, but also a story of a family protecting each other, growing up and gathering love in the wind and rain.