A bank teller discovers he is actually a background player in an open-world video game, and decides to become the hero of his own story. Now, in a world where there are no limits, he is determined to be the guy who saves his world his way before it's too late.

Devastated after her mom's serious accident and grief-stricken because she hasn't become the daughter she wanted to be for her mother, Jia Xiaoling finds herself transported back in time to the year 1981, where she meets her young mother before she was her mom.

上海的百年名校沪都大学330宿舍，聚集着来自四面八方且性格迥异的四名大男孩，分别是厚脸皮的西安男孩林向宇（陈晓 饰）、上海弄堂长大的小处男管超（刘芮麟 饰）、富二代李大鹏（杜天皓 饰）以及混过社会的重庆仗义青年谢训（李现 饰）。他们在一起插科打诨，坐大桶泡澡打牌，想方设法整治新生，花招迭出追逐美丽学妹。他们如同当下大多数高校学子一般，享受着走向社会前最后的纯真与美好。但是这毕竟是一段短暂易逝的时光。走入社会后，他们为了事业、爱情各自奔波，又接连遭受挫折。
只要有那份情意在，无论走多远我们都是好兄弟……