In a world where humans coexist with puppets—who are seen as lesser citizens—cast members of a beloved 1990s children's television series begin getting murdered one by one. Puppet Phil Philips, an ex-LAPD detective-turned-private eye, takes on the case at the request of his old boss in order to assist his former partner, Detective Connie Edwards.

Heidi the Hippo, star of 'The Feebles Variety Hour', discovers her lover Bletch the Walrus is cheating on her. And with all the world waiting for the big show, the assorted co-stars must contend with drug addiction, extortion, robbery, disease, Vietnam flashbacks, drug dealing, and murder.