Dr. Emma Collins and her team are spending their third summer on the island of Little Happy studying the effect of climate change on the great white sharks who come to the nearby nursery every year to give birth. Along with the last two inhabitants of this former fishing village, their peaceful life is disrupted when a "scientific" team led by her ex-boyfriend and marine biologist Richard show up looking for three bull sharks who we soon learn aren't just any bull sharks.
Nathaniel Buzolic (bə-ZOL-ich; born August 4, 1989) is an Australian actor and TV host. He is known for his roles as Kol Mikaelson on the CW series The Vampire Diaries and its spin-off The Originals, and as Paul O'Donnell on the BBC soap opera Out of the Blue (2008). He was the host of Nine Network's late-night television quiz show The Mint, and a co-host of the educational show Weather Ed on The Weather Channel.