Martin seeks revenge when his boat is destroyed and the blame is traced back to Hannes. Rebecca fears that Martin will expose their secret kiss to Gavin. Jack and Wilma's marriage begins to fall apart.

Panic spreads after a sighting of great whites in the area. As Rebecca questions her future and marriage with Gavin, Martin confronts Hannes. Meanwhile, Tristan sets out to lose his virginity, and Jack finds it hard to trust Wilma.

When Emily disappears, fears of great white shark attacks grow, and Martin decides to track the predator down. As Rebecca's love for Gavin deepens, Martin meets Lucy's charming new psychologist, Charlie.