The Billionaire's Nanny Bride

Helen Lang, a kind mother, saves the richest man's grandchildren. She and the magnate fall in love. Her son, Jason Chen, allows his wife's family to bully Helen. The wife's family faces punishment, then colludes with Helen's ex-husband to kidnap the grandchildren. Jason Chen repents, helps rescue the children, and takes a knife for his mother. Helen forgives him and marries the richest man.