Lee Ki-woo

A high-school teacher in 1983 and a detective in 2015 join forces through their dreams to change the perilous fate of the woman they both love—30 years apart.

Kyung-jin, a police officer who finds herself chasing down a suspected bag-snatcher on her day off. However, the man she catches turns out to be Myungwoo, a passer-by who was himself trying to apprehend the real criminal.

Ji-hae's friend is having problems expressing her feelings to the boy she loves, so she asks Ji-hae to write e-mails to him in her name. As the boy falls in love with her letters, Ji-hae discovers the story of her mother's romance which is remarkably similar to her own circumstances.