"Punla" is the story of a childless loving couple. Manny who always wanted to have a child, is impotent. Instead, he asked his friend, Zaldy to provide the "seed" (punla) for his beautiful wife, Jenny.
Paula and Edmund are peacefully married until she meets Nicanor, a composer who happens to be their neighbor. Edmund feels troubled after seeing Paula seeing interest in Nicanor. Could it be that Nicanor is the man who will destroy their lives?