When Gru, the world's most super-bad turned super-dad has been recruited by a team of officials to stop lethal muscle and a host of Gru's own, He has to fight back with new gadgetry, cars, and more minion madness. A secret laboratory near the Arctic Circle is stolen by a mysterious vehicle using a giant magnet. Gru, now a devoted father, is recruited by the Anti-Villain League (AVL) to find out who stole the lab. Together with AVL agent Lucy Wilde, they search for the culprit and discover that Gru's former friend and assistant, Dr. Nefario, has turned to the dark side. Gru and Lucy must stop the villain Eduardo Perez, protect Gru's daughters, and save the world from the mutated minions.
Gru, an agent for the Anti-Villain League, meets his long-lost twin brother Dru who wants to team up with him for a final criminal heist. Together, they must stop a former child actor turned super-villain from carrying out his revenge plan. Along the way, Gru and his family face challenges, discover the truth about their family and learn to work together.
Gru and Lucy and their girls—Margo, Edith and Agnes—welcome a new member to the Gru family, Gru Jr., who is intent on tormenting his dad. Gru also faces a new nemesis in Maxime Le Mal and his femme fatale girlfriend Valentina, forcing the family to go on the run.
Gru, a super-villain, plans to shrink and steal the moon. In order to do so, he adopts three orphan girls to help him infiltrate the base of an up-and-coming super-villain. As Gru spends time with the girls, he realizes that their love is changing him for the better. Eventually, Gru successfully steals the shrink ray and the moon but faces a dilemma when the girls are kidnapped. With the help of his partner and minions, Gru rescues the girls and discovers the true meaning of family.