Ep 20. Coder to Killer

Blindspot season 4 episode 20, titled "Coder to Killer," follows the team as they investigate an assassin who is targeting a coding genius. The episode opens with the killer attacking a young woman who is a brilliant coder. She is able to escape, but the team soon realizes that she is not the only one being targeted.

As the investigation continues, the team uncovers a pattern in the killer's targeting, leading them to believe that he is using a specific algorithm to choose his victims. With the help of the coding genius, Patterson, the team is able to track down the algorithm and identify the next potential target.

Meanwhile, tensions are high between the team members as Jane struggles to deal with the return of her memory and her complicated feelings towards Weller. As they work to solve the case, the team must navigate their personal relationships and keep their emotions in check in order to catch the killer before he strikes again.

As the episode reaches its climax, the team discovers a shocking connection between the killer and one of their own. With the clock ticking, they must race against time to prevent another attack and bring the killer to justice.

Overall, "Coder to Killer" is a thrilling and suspenseful episode that keeps viewers on the edge of their seats. With a clever plot and well-developed characters, it is a standout episode in an already impressive season of Blindspot.