Siren - What2Watch

Ben and Xander (Alex Roe, Ian Verdun) are knocked off their pins when they make a shocking discovery about Chris (Chad Rook) and his connection to the military in the new "Sacrifice." Elsewhere, Helen and Maddie (Rena Owen, Fola Evans-Akingbola) see no alternative to asking help from the hybrids as the mermaids face a growing threat of extinction. Ryn (Eline Powell), meanwhile, runs into the journalist who is obsessed with his theories on mermaids.