艾丽丝(谢欣颖 饰)在公司里有着“机器人”的外号,因为她真的就好像一个机器人一样,做任何事情都循规蹈矩按部就班,没有一丝的人情味儿,虽然艾丽丝能够将上司布置下的任务完美的完成,但却始终得不到同事的喜爱和尊重。 实际上,这冷冰冰的面孔只是艾丽丝自我保护的假象,曾经,她也是一个热情开朗的女孩,有着喜欢的人和信赖的闺蜜,只是,时间改变了一切。一场意外让艾丽丝躺在了手术台上,当她从昏迷中醒来时,发现自己失去了十七岁之后的全部记忆,也就是说,在她三十岁的躯体里,住着的是十七岁时候的那个她自己,也只有此时,艾丽丝才察觉到,这么多年来,她失去的究竟是什么。30-year-old, Alice is a reserved and rarely smiled woman. Like a program settled robotic machine, she has a regular daily routine lifestyle.One day, when Alice awakens after a surgery operation, she becomes a 30-year-old woman, but has no memory of the 17 years that have passed. All right. She thinks. It's not a big deal to back to a 17 year-old girl with the past 13 year's memory erased. Back to 17, she returns to say everything yes, like a garbage truck to absorb people's bad emotion dumping. She asks for help from her close friend, but she realizes she has lost almost all contact with her parents and colleague. She is generally hated by her co-workers and friend. Now, no one would help her to catch up on the 17 years she doesn't remember. Alice has to find the reason why she hated by people around her, and make up the broken relationship with her first love.