Mable is taking her custard pie exam under the watchful eye of Tara, the Assessor. Tara observes carefully as Mabel pies Custard Flanman, stepping in to lend a hand whenever Mabel falters. Flanman remains still while the two cover him in custard pies, until the activity turns into the girls rubbing and spreading the slosh all over.

The video runs for nine minutes, with the final moments featuring closeup shots in lower resolution.