After the Legends defeated Mallus and wiped the final anachronism from time they find themselves in unfamiliar territory with the Time Bureau. All that changes when Constantine informs Sara of a new magical threat that leads the team to Woodstock. Constantine thinks he knows how to defeat the new threat but will need the help of the team and their special klepto talents to help with his spell. Meanwhile, Nate and Rory go on an adventure leaving Nate facing someone from his past.
When the magical Time Seismograph goes off, the team finds themselves headed to the Salem witch trials. Sara notices that Zari is taking the case personally when she promises to save a mom, who is being accused of being a witch. However, the team quickly learns that there is a magical creature in the town creating problems they hadn't been expecting. Meanwhile, Nate and Ava work together to try to keep their Time Bureau funding by proving to them that magic exists.
When the Legends discover a fugitive is hiding in 1970's London, they realize he is part of a gang that is targeting the British Monarchy. Trying to stop the gang, they realize someone from the Legends must infiltrate them. Surprising everyone, Ray is the one to gain their trust after he is put through a series of tests with help from Sara and Rory. Meanwhile, Gary shows Nate the ropes at the Time Bureau, but it turns out to be anything other than an ordinary day at the office.