Haixin and Zhiqi, both college students, turn to online hookups to escape their love troubles. However, when they meet, an instant bond is formed, and they become best friends. Haixin, still entangled with her ex-boyfriend, finds out that her new roommate, senior schoolmate

Anting is Zhiqi’s girlfriend. Under the same roof, an unspoken love triangle takes shape, and their connections deepen in the shared living space. Though Haixin and Zhiqi love each other, neither dare to make the first move. Unexpectedly, Anting suggests they try an open

relationship involving all four of them — four people, four types of confusion, and countless shades of ambiguity. Their world is about to change completely.