It all started with a picture taken for photography class.
The picture Blake takes of a homeless woman sleeping on the street changes Marissa's whole life. The woman in the picture is her mom, a meth-addict who's been missing for the past year. Marissa starts combing the streets looking for her, and Blake feels responsible. Marissa swears him to secrecy, so Blake can't tell Shannon, his girlfriend, why he and Marissa are spending so much time together.
When Marissa's mom disappears and a dead woman is found in the morgue, Marissa and Blake fear the worst.
There is a lot of humor in this novel to counterbalance the bleak circumstances of Marissa's home life. The ending isn't happy or sad, it's an ending. The characters and story feel real and lifelike. A great book for the story it tells.