诡媚海妖 第三季 (Borders)

《诡媚海妖 第三季》剧情简介：Freeform的《#诡媚海妖# Siren》第三季定於美国时间4月2日作两集首播。

As an old friend visits Helen, a new mermaid arrives leaving Ryn questioning their motives; Maddie learns the truth behind Ian's death; Ben fights for his mother's treatments; Xander is inspired to take on more responsibility.