VIDEO : Freeform's Mermaid TV Series 'Siren' Releases Teaser

Freeform has released the first teaser for its upcoming mermaid horror-drama series titled "Siren." "Siren" takes place in a small town that once was home to scary mermaids. Alex Roe stars as Ben, a marine biologist who takes interest in a girl in town named Ryn, played by Eline Powell. The two-hour series premiere lands on Freeform on Thursday, March 29th.