Watch Movies2Watch. Jammy is a horror comedy short film centred around Rosie, a dedicated baker in challenging times as her bakery struggles to stay afloat. One evening, Rosie witnesses a heated argument between a couple. She intervenes and takes the girl away from the scene, however her actions inadvertently put her in danger when the man later turns up her at her shop. In a violent confrontation, the man’s attempt to harm Rosie backfires and she is left to face a difficult moral dilemma.