Sipowicz and Clark Jr. arrive on the scene at a park, where a 5-year-old girl has gone missing, when her father thought that the girl was being watched while he went to the bathroom. Back at the squad, the detectives are gathering the facts they know about the girl, when her mother, who's just come back from out of town, arrives wondering what they are doing to find her daughter. Sipowicz and Clark Jr. interview the nanny, whom the father thought was watching his daughter when he stepped away. She mentions a street artist in the park that the kids are fond of; Sipowicz and Clark Jr. go to the park to interview him. The other detectives respond to the scene of a homicide, where the pregnant victim was dragged behind the car she was pushed out of off. The victim is revealed to be the former girlfriend of a NBA prospect. Sipowicz and Clark Jr. interview the artist, who tells them that the missing girl's father has even left the girl in his care in the past. Back at the squad they d