A seemingly ordinary working mother secretly lives as a legendary sniper who delivers justice where the law fails. After returning from a three-year hiatus, she must balance protecting her family with eliminating dangerous criminals, all while a determined journalist and a relentless detective close in on her hidden identity.
Starring Gong Hyo-jin, Jung Jun-won, Lee Sang-yi, Sung Dong-il, Moo Jin-sung, Lee Eun-saem, Kim Nam-hee, Ha Yul-Ri, Choi Woo-sung, Shin Hyun-soo