Kyung-min lives alone in a one-room apartment. One day, she finds traces of a stranger breaking into her room and soon a mysterious murder case begins to unravel.

After six failed relationships Eun Jin is determined to succeed with her clumsy unromantic boyfriend, but questions arise when she suspects that he is hiding something.

A niece who lost her parents and grew up in the hands of an uncle who runs a shopping mall faces a new truth after her uncle’s sudden death.