The film follows Gru (voiced by Steve Carell), an seemingly ordinary guy, with a penchant for cunning and devious plans. A man constantly scheming and dreaming up new ways to inflict pain and suffering on others, but who always comes off second best to his rival Vector (Jason Segal). Armed with his loyal minions he concocts a master plan to steal the moon itself, but before he can go through with his horrible deed his life takes a sudden turn. A trio of orphan girls appear on his doorstep and Gru soon becomes a surrogate father. Will it change him, will he become a better man, or will he just crack….