Yun Qian, a squeamish rich girl, swore an oath during high school military training and embarked on the road of transformation. In the past seven years, she has experienced the gains and losses of friendship and the regret of her first love ending in vain, and has grown into a calm and firm cardiac surgeon.
Gu Yihan, the younger brother next door who has always been silently guarding her, resolutely applied for the military academy because of her saying "I admire soldiers", but they missed each other because of her withdrawal.
This is a story about youth and growth.
