Johnny Depp plays the role of Dr. Will Caster. Caster is the most prominent researcher on the field of Artificial Intelligence. He is has created a machine the combines intelligence and human emotions. His experiments has become widely known and has caused an anti-technology extremist group to target him. Caster has fused with consciousness in the digital world after being killed in real life. 

At first Caster's goal was to acquire knowledge after become one with the machine, he ha started seeking power. And it seems that there is no way to stop him. 

Watch the full trailer of Trancendence

)