A thriller drama about Yoo I-hwa, a stay-at-home mom living her comfortable and contented life without desires, but to her husband's indifference. While working as a bank contract employee, she unexpectedly touches money from VIP clients and gradually falls into an irreversible collapse.

Adapted from the novel "Kami no Tsuki"(紙の月) by Mitsuyo Kakuta (角田光代).