In 1987, as martial law ends in Taiwan, Jia-han and Birdy fall in love amid family pressure, homophobia and social stigma.
Da Hei takes on dark tasks for medical funds, unaware his roommate Xiao Bai is an intelligence operative. Their growing bond tests their paths forward.
When their parents marry, two high school students become stepbrothers and navigate their relationship, turning from enemies into something more special.