In 2-3 sentences, what is the theme of the story condensed milk?

When an old acquaintance lays out an escape plan, that satisfaction is offered in the form of condensed milk. A sweet, delicious extravagance - a small element of joy in the midst of impending death.

Survival theme

Explanation:

An inmate in a Russain camp is offered by a man, called Shestakov, an escape plan. In those camps, every single situation or thing that can lessen their emptiness of being trapped in such horrible places is welcomed so Shestakov offered the man two cans of condensed milk to convince him. The man accepts the two cans but finally didn't escape because he knew it was a trap.