Zack's friend Ella has gone missing and the police are looking for her. Zack is worried because she is not answering any of his calls or texts.
Zack and his father went to the police station to answer questions because Zack was the last person to see Ella. Zack's Dad said he hadn't seen Ella at all the day she disappeared. But Zack knows that is not true.
On the last day Ella was seen, she and Zack said goodbye at the mall. Later on, Zack spotted Ella with his father talking in the food court. Then he saw Ella get into their SUV outside the mall.
When Zack confronts his dad about lying to the police, his Dad says it wasn't him and that Zack must be mistaken. But Zack knows what he saw.
Zack's parents are fighting a lot and his father seems to be keeping secrets. Zack is worried about Ella but how can he go against his father? Zack wishes he could figure out the clues like in his favorite crime drama shows.
Will Zack uncover the truth and find out what happened to Ella? What is his father hiding? Read this mystery to find out!
Thicker than Water by Natasha Deen. Check it out at the school library!