While trying to help a friend out of a difficulty, teenage detective Nancy Drew has a perilous experience in and around a deserted bungalow.

Leroy Brown, better known to all as Encyclopedia Brown, is the ten-year-old son of the police chief of Idaville. Whenever Mr. Brown has a particularly difficult case, he brings it home for his son to deal with.

"A year after the Bayview four were cleared of Simon Kelleher's death, a new mystery has cropped up--a game with dangerous consequences that's targeting students at Bayview again. And if the creator isn't found soon, dangerous could prove deadly"--

When Nancy goes on vacation, danger begins before she even arrives there.

It's Valentine's day, and Cam is at school when she lerns her mother is about to give birth. Cam and her best friend Eric rush to the hospital with his mom. There in the waiting room, something valuable disappears.

Nancy Drew becomes involved in a double mystery concerning a haunted bridge and jewel thieves.