A story that follows a family of four leading harmonious and contented lives. When a mysterious visitor starts residing in their basement, their lives are turned upside down as strange events begin to occur.

方圆（黄磊 饰）和童文洁（海清 饰）结婚多年，膝下育有一女朵朵（张子枫 饰）。近日里，夫妻两人为了是否送朵朵出国念书这一问题争论不休，并且最终在未考虑周全的情况下将朵朵送出了国，没想到这一举动却令整个家庭走向了濒临崩溃的边缘。
金琴琴（赵今麦 饰）从小到大都被人成为“神童”，尽管已经足够优秀，母亲吴佳妮（朱媛媛 饰）却依旧心心念念着琴琴能够出国深造，甚至为此不惜和丈夫金志明（韩青 饰）大动干戈。张小宇（胡先煦 饰）是含着金汤匙出生的富家公子，却和继母蒂娜（陈小纭 饰）势如水火，令夹在中间的父亲张亮忠（汪俊 饰）大呼头痛，为了给成日里惹是生非的儿子找一个出路，张亮忠将张小宇送出了国，使得张小宇意外的收获了成长。

2019 Chinese film directed by Chen Kaige et al

All Yuan Zhinan has left behind when she passed away is a letter and an invitation to a school reunion. Attending the reunion in lieu of her late elder sister, Zhihua accidentally runs into Yin Chuan, on whom she had a crush in her youth. As old memories are evoked, and correspondences travel through different contexts and times, Zhihua slowly uncovers the intricate story of the trio.

After being rejected from the police college, a mannerly man travels to Bangkok where he and an energetic distant relative must solve a murder case.