Mia Thermopolis is now a college graduate and on her way to Genovia to take up her duties as princess. Her best friend Lilly also joins her for the summer. Mia continues her 'princess lessons'- riding horses side-saddle, archery, and other royal. But her complicated life is turned upside down once again when she not only learns that she is to take the crown as queen earlier than expected...

Playboy Thomas Fuentes has so far been able to skate by in life on good looks and charm alone. But when his duplicitous relationships with three women -- impassioned waitress Cici, meticulous lawyer Lorena and bored socialite Patricia -- spiral out of control, he suffers a mental breakdown. His doctor recommends that he choose just one girlfriend -- but can he choose in time before they discover his deception?