Después de dejar caer accidentalmente su sándwich en la piscina, un nadador temeroso enfrenta su terror acuático para recuperarlo, pero su búsqueda de un bocadillo sumergido conduce a una angustiosa lucha por respirar y sobrevivir.
A swimmer drops his sandwich in the pool, confronting his fear of water to get it back. But what starts as a quest for his snack turns into a desperate fight for breath and survival underwater.