Officer Yeo Kyung-jin mistakenly apprehends physics teacher Go Myung-woo,

but they soon fall in love.

After Myung-woo is accidentally killed, a grief-stricken Kyung-jin experiences visitations from his spirit,

appearing as the wind.

Guided by his presence, she eventually finds the will to live and, following his ethereal hints,

meets a new person with a soul like his.