Fiona Sit plays a 23-year-old lady who is being mistreated by Fate, with an elder brother always lying in bed because of a fatal hereditary disease and a 6-year old niece to take care. Though they are living in a poor situation, they still manage to support each other with love. One day, a thief (Dylan Kuo) runs into their family accidentally and is touched by their love. The thief then makes up his mind to become a guardian angel for them. Later, the young lady and he develop a love relationship, but they are ought to face more challenges from destiny...