During an emergency rescue exercise，special policeman Xing Kelei met resident doctor Mika. But they cannot get along. Suddenly, an earthquake erupted so Xing Kelei and Mika went to help. In the rescue process, they devoted themselves to work and showed the spirit of facing death unflinchingly in front of danger. Mika saw the bravery from Xingkelei and he saw the kindness from her. They got to know each other and gradually fell in love. In later crisis, they cooperated perfectly and saved many people, being the hero of each other and thousands of people.