In wartime, everyone grabs what brief happiness they can and in Beth's case, she finds herself drawn to Teddy's dashing brother Steve, a flying ace.  Despite her brother Roy's deep disapproval, their relationship blossoms with plans for a secret wedding.  Yet again fate deals Beth a cruel hand when Steve is killed in action, leaving Beth alone with a baby on the way.

Disgraced and dismissed from the family home, Beth must struggle to fend for herself and her tiny son.  Enter Gene McKay, a Canadian farmer, who sweeps her off her feet and on to a fresh start in Canada. 

Thousands of miles from her Glasgow home, Beth discovers that her new husband has been keeping a dark secret from her.  It seems that his motive for marrying her was nothing to do with love.  Beth soon realises that she is centre stage in a sinister plot that will endanger not only her own life but also her son's.