When her ten-year marriage to Alistair ends with his infidelity, Kate Easton vows she will not make the same mistake twice. She will never put herself - or her two children - through a relationship again. Then Alistair announces that his new wife is pregnant and he intends to cut his financial support to Kate. To keep her home she must divide it up and make way for a lodger. Enter Davis Calder, a glamorous and charismatic tutor with a failed marriage of his own behind him. He soon becomes a close friend to Kate, someone she can turn to in her difficulties with her unpredictable teenage daughter Roxy. Before she can stop herself Kate has fallen in love, broken her vow and accepted Davis's proposal of marriage. At last, it seems, she has the happy ending she deserves. Until, just days after returning from her honeymoon, she makes a discovery about her new husband that changes everything.