CAPSULE

When Amelia Grace collapses and dies after taking an ordinary headache pill, her daughter and twin sister are left devastated. But the real horror begins when a forensic investigation reveals she was poisoned — by cyanide. Detective Adam and his partner Ruiz uncover a chilling pattern of tampered medicine bottles across the state. As more victims fall, suspicion shifts from family to strangers to an unlikely suspect: Elaine Carter, a seemingly grieving widow. What follows is a high-stakes chase through grief, lies, and buried trauma. With national panic escalating and time running out, Adam must uncover the truth before more lives are lost.