The first trailer released for Pineapple Express a film about a rare new strain of pot called "Pineapple Express". But when Dale (Seth Rogen) becomes the only witness to a murder by a crooked cop (Rosie Perez) and the city's most dangerous drug lord (Gary Cole), he panics and dumps some of his Pineapple Express at the scene. Dale becomes paranoid that this rare strain of weed can be traced back to him.