The tough Sergeant Detective Joseph Andrew "Joe" Bomowski is an efficient cop that has a love affair with his Lieutenant Gwen Harper, but he never proposes her to a serious commitment. When his overprotective mother Tutti Bomowski comes from Newark, New Jersey, to spend a couple of day visiting him, his life turns upside-down. She decides to clean his pistol with bleach and ruins it; so she decides to buy another weapon for Joe and stumbles upon two criminals selling illegal weapons. But there is a shootout and Tutti witnesses a murder. Now she has to stay with Joe since she is a witness, driving him crazy with her interference.
—Claudio Carvalho, Rio de Janeiro, Brazil