Her worst nightmare lies in the depths below...

Surrounded by the romantic paradise of her sister's destination wedding in Jamaica, Madison Grey realizes she must overcome her paralyzing fear of the ocean-and her broken heart-to start living again.

Luke Alexander, the groom's brother, is a missionary who has come to terms with a life of singleness-until he meets Madison.

During the wedding, their personal connection intensifies when a stalker stirs up haunting memories of her gold-digging ex-fiancé. After Madison mysteriously disappears and the newlyweds receive a ransom note, Luke dives into action to find her. Will he save Madison in time or will she be forced to suffer her worst nightmare... in the depths of a glass bottom boat?