The boy writes an essay at school in which he wants to be like his father - with mayonnaise, i.e. "MNS" (junior research fellow).

Neptune's Feast is a satirical comedy that takes place in a small village in Sweden during the cold winter months. The story follows a group of eccentric characters who are dealing with the challenges of living in a freezing environment. The plot centers around their interactions with each other, as well as their humorous and sometimes absurd attempts to navigate the bureaucracy and unique quirks of the village.