When her old friend Karen drops by with two-year-old son Timmy, Meg Langslow reluctantly agrees to babysit just for a little while. But when nightfall comes, the toddler is still in residence and Karen isn't answering any phone calls. Meg decides she must find out what's happening, so the next morning, with Timmy in tow, she retraces her friend's footsteps--and begins to suspect that Karen's disappearance is tied to at least one serious crime.