Trapped at home, romance writer Yao Chih-hsuan is sure she's an accidental time traveler. No one believes her — except a mysterious neighbor.

When Chia-hao discovers his new intern is homeless, he offers him a place to stay. As they share the same roof, their bond quickly gets complicated.

When Fang Jo-nan finds herself without a job or home, she turns to her ex-boyfriend Joe for help. But the shadows of their past quickly reemerge.