Watch The Essex Serpent Season HD Full Free on solarmovie.do. Watch The Essex Serpent tv series online free. Follows London widow Cora Seaborne who moves to Essex to investigate reports of a mythical serpent. ...Follows London widow Cora Seaborne who moves to Essex to investigate reports of a mythical serpent. She forms a bond of science and skepticism with the pastor, but when tragedy strikes, locals accuse her of attracting the creature.