The Chemist

"Then, with his wrist trembling under the pressure, he carved the names of two men into the paper, ripping the surface...

Jack...

The Seventh Wave organised crime gang is long defeated, its members dead or jailed. Their London-wide campaign of terror a fading memory. 

Jason...

Or is it? An old foe is released from his maximum-security prison cell, with dreams of revenge and a score to settle.

...You. Just. Watch." 

He calls himself 'The Chemist', and he's determined to make anyone who's crossed him pay. To him, death is just a game of chance, and he's stacked the odds in his favour. Can Jack Cade save those closest to him from the twisted plans of The Chemist?