Do Ji-han

Woo-jin, a furniture designer who wakes up in a different body every day, falls for Yi-soo, a woman he meets through his work.

Tower Sky, a luxurious building complex, has organised a lavish Christmas party for its VIP guests. However, things go awry when a fire breaks out and thousands of lives are endangered.

A serial killer murders a girl from his neighborhood. The residents begin to suspect him one by one, as he tries to cover his tracks and plans another kill before escape.