A scientist is discovered on a runaway boat, dead from toxic gas exposure at a cutting-edge shark research lab, but Mack suspects the death is a meticulously planned murder.
A rock star is murdered in a locked theatre, forcing Mack to uncover the truth hidden in the band's decades-old history.
A CEO is poisoned during a spiritual ceremony at a corporate retreat, but the killer's method defies explanation.
When Colin's friends visit from England, one of them wakes up to find a stranger's corpse in his locked motel room, with no sign of how the killer got out.
A crime writer is found stabbed to death in his villa after announcing his controversial comeback book at a literary festival, but all of the suspects were on stage at the time of the murder.
Mack interrupts Glenn and Daisy's wedding when an uninvited guest collapses, poisoned by a seemingly random wedding program. But by halting the wedding, has she finally pushed Glenn too far? (Final)
DI Mackenzie Clarke was meant to be back in the UK, living the life she's always wanted. Instead, she's still in Dolphin Cove. Lucky for Mack, her compulsion to solve impossible cases serves as a great distraction.
A rock star is murdered in a locked theatre, forcing Mack to uncover the truth hidden in the band's decades-old history.
