Ep 16. Deadly Nightshade

Barry Allen, also known as The Flash, faces a tough new challenge in episode 16 of season 1, "Deadly Nightshade." The episode begins with Barry and his team facing off against a group of criminals who have been using a new drug to enhance their abilities. The drug is causing major problems for the city, and Barry is determined to put a stop to it.

While investigating the drug, Barry is led to a retired superhero known as Nightshade, who once used a similar drug to fight crime in the 1950s. Nightshade had been forced to retire after a tragic accident, but Barry believes that the retired hero may hold the key to stopping the current criminal element.

Despite some initial reluctance, Nightshade agrees to help Barry track down the criminals using the drug. Along the way, Barry learns more about Nightshade's past and the events that led him to retire. The two heroes also face off against some powerful enemies, including a group of enhanced criminals who are determined to protect their drug business at all costs.

As Barry and Nightshade work together, they begin to uncover a conspiracy that goes deeper than either of them imagined. They must work quickly to stop the criminals and save the city before it's too late. Along the way, Barry faces some tough decisions about his own abilities and how he can best use them to protect those he cares about.

"Deadly Nightshade" is a thrilling episode that showcases the best of the superhero genre. With plenty of action, suspense, and character development, it's a must-see for fans of The Flash. The episode also introduces some intriguing new characters and plotlines that are sure to keep viewers hooked for the rest of the season. Overall, "Deadly Nightshade" is a standout episode that delivers on all fronts.