Signal: Mom Will Avenge You — Episode 13

Five years ago, a daughter was murdered at home while parents worked late. Five years later, an old phone connects to the past. The mother alters timelines to save her child, triggering a butterfly effect. She uncovers betrayal, the killer's identity, and hidden truths. She sacrifices herself to save her daughter. Years later, the daughter uses the same phone to connect with her past mother, sparking a cycle of mutual redemption.