Harry plays hoaxes on gullible tabloid journalists. But when he gets ambitious and tries to sell the faked memoirs of a contract killer to a publisher, things start to go seriously wrong.
A corpse is fished out of a north London canal with stab wounds through the eyes. The victim was a prominent member of the Hasidic Jewish community, and the cause of death one reserved by the Hasidim to punish "moysers" or informers.
Five friends who reunite in an attempt to top their epic pub crawl from 20 years earlier unwittingly become humankind's only hope for survival.
The absurd adventures of two defective detectives, who - despite unbelievable incompetence - somehow manage to solve their cases (or be nearby when the cases are solved) and retain their jobs.