Jin Ae has always faced difficulties in her life, trying to juggle her family's demands while also navigating the challenges of survival.
Following their parents' abandonment, she and her brother Jisung have learned the skills to cope with life independently. However, when she gets involved with a risky gang, she ends up torn between staying loyal and facing the harsh truths of the new world she joined.
Discovering secrets about those she trusts the most, including her dearest friends, she is faced with a life-changing choice: should she join the gang to safeguard her loved ones or walk away, risking losing everything.
Jin Ae must survive in a world of violence, lies, and disloyalty, while also keeping her family united and safeguarding herself from being consumed by darkness.