An offbeat love story about campus life around the An Zi Yan and Mai Ding who start military training as college acquaintances, Mai Ding was the one who made the first move to An Zi Yan, they have a good relationship and gradually felt sparks. After their relationship strengthens, their relationship is obstructed by their family and friends, like An Zi Yan's sister Ansul who has a difficult attitude. An Zi Yan secretly asks help from his ex-girlfriend Bai Xiao Si.