Susanna Miller, having seen the custody of 11-month-old Tyler (survivor of a serious heart condition) awarded to ex-husband Jim and his new wife Peggy, knows what she has to do. Beginning with a night exodus from Boulder, Colorado, Susanna will travel east, eventually settling in Maryland. She'll adopt the name "Kim," and little Tyler will answer to "Cody." Kim's only link to Boulder is the syndicated radio show of the man she lovesdisc jockey Linc Sebastain, who once served a short sentence for murder. His victim was Susanna's childhood tormenter, whom Linc had known as a neighbor years before. It's Linc's past, and his present involvement in her life (along with her own few days in a mental institution), that contributed to Susanna's court KO. In Maryland, jumpy Kim finds pleasant people, particularly a local artist, the attractive Adam, who pronounces her talented. Adam makes advances, Kim communicates with Linc via fax, and Linc responds on the airwaves. Kim must soon make a terrible decision, however, involving her knowledge of the route of a serial bomber: If she alerts the police, she will certainly lose Cody permanently. Meantime, back in Boulder, Peggy, essentially a good sort, is rapidly learning that Jim is a liar and a cad. She readies a surprise, while Kim sets off to waylay the crazy, deadly bomber advancing in the dark. There'll be a nick-of-time appearance, as well as a sacrificial demise.
Chamberlain paces the flight-or-fight phases of the runaway mother's story with thoroughly professional ease: Her stories never cut deep, but they do skim along at a cheerful speed. A reliable time-passer.