Narrated cautionary educational film on the dangers posed by strangers to boys and measures suggested for self-protection. Girl walking alone in the dark. Woman/girl opening chained door carefully to stranger. Girl grabbed by shoulders by older man who is speaking forcefully. Older predatory man watching young teen boys playing basketball on blacktop court. CU on hand gripping chain link fence. Teen boy hitchhiking on busy street, picked up by windowless van. CU of boys hand with extended thumb.