A scratch and win ticket unveils an all-expense paid cruise for a young couple; but their luck runs out once aboard the ship as one of them ends up murdered. A 40-year-old disappears on the second ...

Throughout the investigations - which feature in the Channel 5 documentary The Push: Murder on a Cruise Ship tonight - Kocontes ... sting - before the calculated killer was finally snared.

Two days after her 50th birthday, a professor goes on a birthday cruise with her long-time boyfriend. But shortly after the ship leaves port, she tragically falls to her death. Months later ...