a damsel in distress

US /ə ˌdæm.zəl ɪn dɪˈstres/
UK /ə ˌdæm.zəl ɪn dɪˈstres/
"a damsel in distress" picture
1.

a young woman in trouble who needs a man's help

:
The knight rode in to save the damsel in distress from the dragon.
She always plays the role of the damsel in distress in movies.