The Mystery of the Leaping Fish

Coke Ennyday, the scientific detective, divides his time into periods of Sleep, Eat, Dope and Drinks. In fact, he overcomes every situation with drugs: consuming cocaine to increase his energy or injecting it in his opponents to incapacitate them. To help the police, he tracks down a contraband of opium (which he eagerly tastes) transported within leaping fishes, saving a fish-blower girl from blackmail along the way.