As the COVID-19 pandemic entered its first year, Helen's world took a harrowing turn. One morning, she woke up feeling an inexplicable void in her heart. Just a week later, she found herself standing at the edge of a cliff, contemplating the深渊. What could have led to such a devastating emotional breakdown? Was it the roller-coaster relationship with the enigmatic Tom? The haunting effects of a global crisis? Or the shock of the mysterious accident that claimed the life of her neighbor Paul? Each possibility weighed heavily on her soul.