 How does Pembrook feel about Mary Ann?
THE PERFECTIONISTS By ARNOLD CASTLE ILLUSTRATED by SUMMERS Is there something wrong with you? The series of events leading up to Pembroke's present occupation had commenced on a dismal, overcast evening in the South Pacific a year earlier. Pembroke came as close to being a professional adventurer as one can in these days of regimented travel, organized peril, and political restriction. Lacking such loyalties, Pembroke adapted quickly to the situation in which he found himself when he regained consciousness. One in particular, an attractive woman of about thirty, tossed back her long, chestnut locks and gazed up intently at Pembroke as he passed. "You're not casual enough, for one thing," said Pembroke, deciding to play along with her for the moment.
 Mary Ann is a means to an end for Pembrook.
 Pembrook is in love with Mary Ann.  Pembrook feels betrayed by Mary Ann because she was plotting to kill him.  At, first Mary Ann was a means to an end, but now Pembrook is in love with her.  Mary Ann is a means to an end for Pembrook.