Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to the hospital. It's Valentine's Day, and Cam is at school when she learns 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. Click, click! Cam starts to unravel the mystery. Will Cam solve it before her Valentine sibling is born?