When news breaks that a massive asteroid will collide with Earth in three weeks, Dodge, an insurance salesman, finds himself alone after his wife abandons him in panic. With society descending into chaos, Dodge continues to go about his daily routine, but he can't shake the feeling of emptiness and regret over a lost love from his past. During this tumultuous time, he meets his quirky neighbor Penny, who has just broken up with her boyfriend. Through a series of events, they find themselves on a joint quest: Dodge seeking to reunite with his high school sweetheart and Penny desperate to return to her family in England before it's too late.

Their journey is filled with unexpected encounters and challenges as societal norms break down around them. Along the way, Dodge and Penny grow closer, sharing their hopes, regrets, and dreams. Despite the anarchy and despair, their companionship brings a semblance of hope and meaning to Dodge's life. As they each pursue what they believe will bring them peace, they come to understand the significance of companionship and the impact of human connections, all while the clock ticks down to the impending global catastrophe.