Watch The Ancient Mariner Full Movie Free Online 123Movies. Doris Matthews, a beautiful, innocent young girl, forsakes her sweetheart, Joel Barlowe, in favor of Victor Brant, a wealthy roué. On the night before they are to elope, an old sailor gives Brant a strange potion to drink and then unfolds before his eyes "The Rime of the Ancient Mariner." Deeply touched by this story about the consequences of the wanton destruction of innocent beauty, Brant leaves without Doris. After some time, he returns and finds to his pained satisfaction that Doris, having overcome her infatuation for him, has again turned her tender attentions toward Joel.