Tale of romance, greed and attempted robbery set in London. Beautiful loving Rachel Monk believes her grandfather's tale of his poor salary until Walter, a clerk in the same counting house, tells her the truth. Walter watches the old man after office hours one night and discovers his miserly obsession. His vigil also helps him solve - with the help of a detective - the old man's disappearance and an attempted robbery by another workman. The old man's hoard is discovered but his mind collapses and he comes to care only for Rachel and Walter's affection ... Competent if stilted. (PB)