In the film's ending, Burma hatches a plan to kidnap and ransom her sister's adopted daughter for $50,000, then finds out that the child is actually her own.

[citation needed] In 1938, Roadshow Attractions packaged Marihuana with the short film How to Undress in Front of Your Husband.

[1] In an April 13, 1938, the poet Elizabeth Bishop details a Key West, Florida screening of Marihuana: "We have settled down to the summer session of banned movies — I went to 'Marihuana' last night.

Several thousand Negroes, Cubans, and I, fought our way in, and then we were all very disappointed—even the two (2) thrills of the pre-view were not repeated, and the whole production was staged in what looked like a dentist's office (the 'lavish apartment of a dope-fiend').

The poor, wrecked 'high-school set' were all Hollywood matrons of at least 40, and at one point the corrupted darlings went for a nude swim—you saw little white specks way, way out in the ocean, then 'What's going on here?'