Trouble did not come alone. Wealthy businessman Sean O'Reilly flew to Dublin with his young (too young, according to Kat, the newlywed's adult daughter) wife Amanda, where he almost died and ended up in hospital. Kat is convinced that Amanda tried to kill her father. Eddie Ray, an experienced sailor, Sean's best friend and partner, went out to sea with a mysterious passenger and disappeared without a trace; the search led to nothing. Zach Flynn, a private detective and O'Reilly's mentee, who has flown to Dublin, suspects both Amanda and the young, very attractive nurse Sean Caher. And Kat, and her Aunt Bridey, and even Zach Flynn, despite all their common sense, they all feel that the dark shadows of evil are gathering around them...