Time: now
Location: Inside and outside the door of a certain family
Character: Zhang Yi - male protagonist, 28 years old, a surgeon in a hospital, kind-hearted, responsible, loving family, Qin Ke's husband.
Qin Ke - the heroine, 28 years old, is an online writer. Most of her characters are based on herself and Zhang Yi. Born in a single-parent family, she lacks a sense of security and is very afraid of losing Zhang Yi.
Little Mango - 4 years old, the daughter of Zhang Yi and Qin Ke, lively and cute.
Purpose: After the epidemic