Below the streets of New York is a dark and dangerous world hidden in the shadows of abandoned subway tunnels and miles of forgotten infrastructure. When a young documentary filmmaker goes into these tunnels to uncover the unseen stories of the people living below our feet, she finds out that there is more to be afraid of than the dark. A mysterious figure, living beyond the reach of the law, has declared war on the outside world that threatens to tear apart the fragile underground society living in the tunnels and maybe even the city above it.

Frank Drebin is persuaded out of retirement to go undercover in a state prison. There he is to find out what top terrorist, Rocco, has planned for when he escapes. Frank’s wife, Jane, is desperate for a baby.. this adds to Frank’s problems. A host of celebrities at the Academy awards ceremony are humiliated by Frank as he blunders his way trying to foil Rocco.