At an annual company party, the protagonist wins a luxury RV while their coworker Rainee draws a worthless prize, causing Rainee to break down and forcing the protagonist to trade prizes with her. When a glacial apocalypse and zombie outbreak strike, Rainee's RV runs out of fuel and she is killed, while the protagonist uses the coal prize to survive. After looters steal the protagonist's supplies, they die and then inexplicably wake up back at the party, reliving the event with Rainee once again gloating over her 'advantage'. Despite coworkers pressuring the protagonist to give in, a cold rivalry ignites as Rainee demands the coal, ending with the protagonist secretly preparing to outmaneuver her for survival.