Sang-hyun faces relentless financial struggles, while Dong-soo manages a baby box facility. On a stormy night, the duo makes a desperate decision to take baby Woo-sung, abandoned in the facility, with plans to sell him for a profit. Unbeknownst to them, detectives are surveilling their actions, intent on gathering vital evidence for a case. As the tension builds, the moral implications of their choices and the unfolding drama put both their fates and the innocent child's at risk, leading to unexpected revelations and confrontations.