Gru (voiced by Steve Carell) and Lucy (voiced by Kristen Wiig) are about to embark on a new chapter in their family life, welcoming their new member,"Mini Gru", and the baby will also try everything possible to torture Gru, a new father. The new villain bully Max (voiced by Will Ferrell) and his deadly, dangerous, beautiful and sexy girlfriend Valentina (voiced by Sophia Vergara Sofía Vergara) are coming forward, and the Gru family faces unknown dangers. At this time, the new super little yellow man made a big appearance and became the "secret weapon" to help the Gru family survive this crisis. A new adventure that is exciting and full of jokes is about to unfold.