Natalie and Lucas have hated each other for as long as they can remember. She's an uptight perfectionist. He's a sarcastic shut-in. But when the two get trapped in Harrison High School during the biggest snow storm of the season, they are forced to work together. How will they cope?

When Nicholas Cooper was 9 years old, his mother knelt in front of him and rested her hand on his knee. “Nicky, I need you to promise me something,” she said slowly. “If something ever happens to me, I need you to look after Jack.” Fifteen years after Nicholas makes that promise, his mother goes missing and the last person to see her alive is the one he vowed to watch over.