แอ็กเซล โฟลี่ย์ ตำรวจดีทรอยต์ฝีปากกล้า กลับมาที่เบเวอร์ลีฮิลส์อีกครั้งเพื่อสืบสวนคดีฆาตกรรม ซึ่งเบาะแสนำไปยังสถานที่ที่ไม่น่าเป็นไปได้อย่างสวนสนุก

When plans with her boyfriend fall through, high school senior Chris Parker ends up babysitting the Anderson kids, Brad and Sara. What should be a quiet night in, however, turns into a series of ridiculous exploits, starting when they leave the house to pick up Chris' friend Brenda. Soon, Brad's buddy Daryl is involved, and the group must contend with car thieves, blues musicians and much more.

Christer is a teenager who prefers to spend his time on motorcycles instead of his studies which doesn't impress his father. There is also a youth motorcycle gang terrorising the local girls but Christer doesn't dare to stand up to them, leading to his humiliation. One day he comes into contact with a professional speedway racer who takes him under his wing.