Amaya stows away on the Waverider and attacks Mick, believing him responsible for Rex's death. Nate stops her using his newly-developed metahuman ability to convert his body to a steel-like form. Sara convinces Amaya that a rogue time traveller is likey to blame for the murder. An accident during Ray's testing of Nate's abilities throws both men into the time vortex and strands them in 17th century feudal Japan. Nate is found and cared for by Masako Yamashiro, the betrothed of shogun Tokugawa Iemitsu, whose samurai capture Ray. Sara, Amaya and Mick rescue Ray from Tokugawa, who uses the Atom suit against them. They meet up with a recovered Nate, who does not want to leave Masako to Tokugawa's mercy. They defend Masako's village from the samurai, while Ray and Nate defeat Tokugawa by destroying the Atom suit. Nate and Amaya officially join the team. Meanwhile, Jefferson and Stein discover a hidden armory inside the ship and a secret message from Barry Allen from 2056 intended for Rip and forbidden for the crew.