b'September, 2006. American Tammy Grogan, 35, boards a cruise ship for a relaxing trip down to Mexico. On the return leg, Tammy disappears. As police investigate, the suspicious actions and the complex relationship of Tammy\\u2019s fellow vacation-goers only adds to a mystery that is still unsolved almost 15 years on. \\n\\nTheme music: \\u2063\\nUndertow by Scott Buckley | https://soundcloud.com/scottbuckley\\u2063\\nMusic promoted by https://www.free-stock-music.com\\u2063\\nAttribution 4.0 International (CC BY 4.0)\\u2063\\nhttps://creativecommons.org/licenses/by/4.0/'