Ep 4. Dangerous Boy

The show Blood+ follows the story of Saya Otonashi, a young girl who has lost all her memories and is being pursued by a powerful organization known as Red Shield. Saya discovers that she is the only one who can fight creatures known as Chiropterans, and must do so in order to protect her loved ones and uncover the truth about her past.

In episode 4 of season 1, titled "Dangerous Boy," Saya and the Red Shield team are on a mission to investigate a community with a high number of Chiropteran sightings. As they arrive, they discover that the town is in the midst of a festival, and are greeted by a young boy named Kai who claims to have information about the Chiropterans.

Despite some initial skepticism, Kai is able to lead the team to an old temple where they encounter a group of vampires who have been feeding off the local villagers. The Red Shield team engages in a battle with the vampires, but are quickly outnumbered and outmatched.

In the midst of the chaos, Kai reveals that he himself is a Chiropteran, but claims that he is different from the others and wants to help the Red Shield team. Saya is initially reluctant to trust him, but when she is cornered by the vampires she has no choice but to rely on his help.

With Kai's assistance, Saya is able to defeat the vampire leader and save the town. However, the episode ends with Kai disappearing without a trace, leaving Saya and the Red Shield team to question whether he can truly be trusted.

"Dangerous Boy" is a tense and action-packed episode that further delves into the world of Blood+. It raises important questions about trust and morality, as Saya and the Red Shield team must decide whether to believe a seemingly dangerous boy who claims to be on their side. The episode also features exciting fight scenes and memorable moments that will keep viewers on the edge of their seats.