剧情：妮基·帕克加入了洛杉矶警察局的失踪人口部门，帮助其他人找到他们所爱的人，同时她也在寻找她失踪的儿子。 Alert is a procedural drama about the Philadelphia Police Department's Missing Person's Unit (MPU). Each episode features a heart-pounding, life-or-death search for a missing person that runs alongside police officers Jason Grant and his ex-wife Nikki Batista's series-long quest to find out the truth about their long-lost son.