13岁的超级天才伦内拉通过时间漩涡意外地将10吨重的恶魔恐龙霸王龙带入了今天的纽约市，两人联手保护城市的下东区免受危险。

Samantha MacKenzie, the daughter of the president of the United States, arrives at college with a group of Secret Service agents. Samantha, however, resents their presence and decides she wants to attend school just like a normal student. Her father agrees to recall the agents but secretly assigns James, an undercover agent, to pose as a student.